Пример #1
0
def vl_look():
    mpl.rcParams['font.size'] = 26
    animal=66
    session=60
    fn, trigger_tm = load_mux(animal, session)
    vl = load_vl(animal,fn)
    print 'npw'
    cls = {tetrode:load_cl(animal,fn,tetrode) for tetrode in range(1,17)}
    _, good_clusters = get_good_clusters(0)
    print 'kw'
    t_cells = count_cells(vl,cls,trigger_tm,good_clusters)
    print 'w'
    
    L1 = 59
    L2 = 70
    clusters = [[] for _ in range(L2-L1)]
    for cell, spk_i in t_cells.items():
        spk_i = np.unique(spk_i)
        for spk in np.nonzero((spk_i<L2) & (spk_i>=L1))[0]:
            clusters[spk_i[spk]-L1].append(cell)
    
    out = zip(clusters,
              vl['xs'][L1:L2],
              vl['ys'][L1:L2],
              vl['vxs'][L1:L2],
              vl['vys'][L1:L2])
    
    for tt in out:
        print '%s, (%.1f,%.1f), (%.1f,%.1f)'%(  (str(tt[0]),) + tt[1:])
    import pdb; pdb.set_trace()
Пример #2
0
def rate_graph():
    animal = 66
    session = 60  # This is August 7, 2013 run
    room_shape = [[-55, 55], [-55, 55]]
    tetrodes = range(1, 17)
    cluster_profile = 0
    bin_size = 5

    _, good_clusters = get_good_clusters(cluster_profile)

    fn, trigger_tm = load_mux(animal, session)
    vl = load_vl(animal, fn)
    cls = {tetrode: load_cl(animal, fn, tetrode) for tetrode in tetrodes}
    tpp = 1.0 * np.mean(vl['Time'][1:] - vl['Time'][:-1])

    t_cells = count_cells(vl, cls, trigger_tm, good_clusters)

    label_l = vl['Task']

    # rates[cell, lbl, xbin, ybin] = firing rate
    rates = get_fracs(vl['xs'], vl['ys'], label_l, room_shape, bin_size,
                      t_cells)
    rates /= tpp

    plot_rates(rates, label_l, t_cells)

    plt.show()
Пример #3
0
def rate_graph():
    animal = 66
    session = 60  # This is August 7, 2013 run
    room_shape = [[-55, 55], [-55, 55]]
    tetrodes = range(1, 17)
    cluster_profile = 0
    bin_size = 5

    _, good_clusters = get_good_clusters(cluster_profile)

    fn, trigger_tm = load_mux(animal, session)
    vl = load_vl(animal, fn)
    cls = {tetrode: load_cl(animal, fn, tetrode) for tetrode in tetrodes}
    tpp = 1.0 * np.mean(vl["Time"][1:] - vl["Time"][:-1])

    t_cells = count_cells(vl, cls, trigger_tm, good_clusters)

    label_l = vl["Task"]

    # rates[cell, lbl, xbin, ybin] = firing rate
    rates = get_fracs(vl["xs"], vl["ys"], label_l, room_shape, bin_size, t_cells)
    rates /= tpp

    plot_rates(rates, label_l, t_cells)

    plt.show()
Пример #4
0
def vl_look():
    mpl.rcParams['font.size'] = 26
    animal = 66
    session = 60
    fn, trigger_tm = load_mux(animal, session)
    vl = load_vl(animal, fn)
    print 'npw'
    cls = {tetrode: load_cl(animal, fn, tetrode) for tetrode in range(1, 17)}
    _, good_clusters = get_good_clusters(0)
    print 'kw'
    t_cells = count_cells(vl, cls, trigger_tm, good_clusters)
    print 'w'

    L1 = 59
    L2 = 70
    clusters = [[] for _ in range(L2 - L1)]
    for cell, spk_i in t_cells.items():
        spk_i = np.unique(spk_i)
        for spk in np.nonzero((spk_i < L2) & (spk_i >= L1))[0]:
            clusters[spk_i[spk] - L1].append(cell)

    out = zip(clusters, vl['xs'][L1:L2], vl['ys'][L1:L2], vl['vxs'][L1:L2],
              vl['vys'][L1:L2])

    for tt in out:
        print '%s, (%.1f,%.1f), (%.1f,%.1f)' % ((str(tt[0]), ) + tt[1:])
    import pdb
    pdb.set_trace()
Пример #5
0
def rate_graph():
    #mpl.rcParams['axes.titlesize'] = 18
    #mpl.rcParams['axes.labelsize'] = 18
    mpl.rcParams['font.size'] = 26
    
    
    animal = 66
    session = 60 # This is August 7, 2013 run
    room_shape = [[-55,55],[-55,55]]
    tetrodes = [1]
    cluster_profile = 0
    bin_size = 5
    
    
    _, good_clusters = get_good_clusters(cluster_profile)
    
    fn, trigger_tm = load_mux(animal, session)
    vl = load_vl(animal,fn)
    cls = {tetrode:load_cl(animal,fn,tetrode) for tetrode in tetrodes}
    
    t_cells = count_cells(vl,cls,trigger_tm,good_clusters)
    
    label_l = vl['Task']
    
    # rates[cell, lbl, xbin, ybin] = firing rate
    rates = get_fracs(vl['xs'], vl['ys'], label_l, room_shape, bin_size, t_cells)

    for lbl in range(len(np.unique(label_l))):
        
        plt.figure(figsize=(10,10))
        x = np.concatenate([np.arange(room_shape[0][0],room_shape[0][1],bin_size),[room_shape[0][1]]])
        y = np.concatenate([np.arange(room_shape[1][0],room_shape[1][1],bin_size),[room_shape[1][1]]])
        Xs, Ys = np.meshgrid(x, y)
        cntr = plt.pcolor(Ys,Xs,rates[3,lbl])
        
        t=plt.colorbar(cntr, extend='both')
        t.set_label('Frequency (Hz)')
        plt.xlabel('Position (in)')
        plt.ylabel('Position (in)')
        if lbl == 0: plt.title('Clockwise')
        else: plt.title('Counterclockwise')
        
        #plt.axis('equal')
        plt.xlim(room_shape[0])
        plt.ylim(room_shape[1])

        '''
        plt.figure()
        x = np.arange(room_shape[0][0],room_shape[0][1],bin_size)
        y = np.arange(room_shape[1][0],room_shape[1][1],bin_size)
        Xs, Ys = np.meshgrid(x, y)
        cntr = plt.contourf(Ys,Xs,rate_dict[contxt][2])
        t = plt.colorbar(cntr, extend='both')
        t.set_label('Frequency (Hz)')
        plt.xlabel('Position (in)')
        plt.ylabel('Position (in)')'''
    plt.show()
    
Пример #6
0
def dp_accuracy():
    logging.basicConfig(level=10) # 5 for more stuff
    CL = CL3
    animal = 66
    session = 60 
    
    room =[[-55,55],[-55,55]]
    bin_size = 5
    K =  50      # Segment length used to calculate firing rates
    CL.delt_t = K*.02
    cluster_profile = 0
    label = 'Task'
    
    cl_prof_name, good_clusters = get_good_clusters(cluster_profile)
    try:
        adat = try_cache('One big data structure')
        correct_dp = adat[CL.name][animal][session][cl_prof_name][bin_size][label][K]
        logging.info('Got data from Cache.cache.')
    except:
        logging.info('Calculating classifications...')
        CL.delt_t=K
        
        fn, trigger_tm = load_mux(animal, session)
        vl = load_vl(animal,fn)
        cls = {tetrode:load_cl(animal,fn,tetrode) for tetrode in range(1,17)}
        label_l = vl['Task']
        
        t_cells = count_cells(vl,cls,trigger_tm,good_clusters)
    
        logging.info('About to generate population vector.')
        #X, Y = gpv(vl, t_cells, label_l, K)
        s=time()
        X, Y = gpv(vl, t_cells, label_l, K, bin_size, room)
        logging.info('%i population vectors generated in %.3f.',X.shape[0],time()-s)
        Y = Y.reshape([-1])
        
        correct_dp = check_classifier(range(X.shape[0]),range(X.shape[0]), 
                                      X, Y, CL, room, bin_size) 

    # Accuracy meter
    plt.figure()
    plt.hist(correct_dp,normed=True)
    plt.xlabel('Accuracy')
    tt = '%s,  K: %i, ClPr: %s, Label:%s'%(CL.name,K,cl_prof_name,
                                                   label)
    plt.title(tt)

    msg = []
    for i in [1,50,75,90,95,99]:
        perc = 1.0*np.sum(correct_dp > i/100.0)/len(correct_dp)*100.0
        msg.append('>%i%%:  %.1f%%'%(i,perc))
    msg = '\n'.join(msg)
    plt.xlim([0,1])
    xcoord = plt.xlim()[0] + (plt.xlim()[1]-plt.xlim()[0])*.1
    ycoord = plt.ylim()[0] + (plt.ylim()[1]-plt.ylim()[0])*.5
    plt.text(xcoord,ycoord,msg)
    plt.show()
    
Пример #7
0
def smoothing():
    logging.basicConfig(level=logging.INFO)
    room = [[-55, 55], [-55, 55]]
    bin_size = 5
    xs = range(room[0][0], room[0][1], bin_size)
    ys = range(room[1][0], room[1][1], bin_size)
    X, Y = np.meshgrid(xs, ys)

    session = 60
    animal = 66
    _, good_clusters = get_good_clusters(0)
    fn, trigger_tm = load_mux(animal, session)
    vl = load_vl(animal, fn)
    cls = {tetrode: load_cl(animal, fn, tetrode) for tetrode in range(1, 17)}
    t_cells = count_cells(vl, cls, trigger_tm, good_clusters)
    x = vl['xs']
    y = vl['ys']
    tpp = np.mean(vl['Time'][1:] - vl['Time'][:-1]) * 24 * 60 * 60
    label_l = vl['Task']

    # rates[cell id, lbl, xbin, ybin] = rate
    rates1 = get_fracs(x,
                       y,
                       label_l,
                       room,
                       bin_size,
                       t_cells,
                       smooth_flag=True)
    rates1 /= tpp
    logging.info('Got smoothed rates')

    rates2 = get_fracs(x,
                       y,
                       label_l,
                       room,
                       bin_size,
                       t_cells,
                       smooth_flag=False)
    rates2 /= tpp
    logging.info('Got unsmoothed rates')

    for i in range(5):  # or rates1.shape[0]
        logging.info('Cell %i', i)
        plt.figure()
        plt.pcolor(X, Y, rates1[i, 0])
        plt.colorbar()
        plt.autoscale(tight=True)
        plt.xlabel('Position (in)')
        plt.ylabel('Position (in)')

        plt.figure()
        plt.pcolor(rates2[i, 0])
        plt.autoscale(tight=True)
        plt.xlabel('Position (in)')
        plt.ylabel('Position (in)')
        plt.show()
Пример #8
0
def run():
    logging.basicConfig(level=logging.INFO)
    cache_key = 'Good trials'
    animals = [66, 73]
    sessions = range(100)
    _, good_clusters = goodClusters.get_good_clusters(0)

    good_trials = try_cache(cache_key)

    if good_trials is None: good_trials = {}

    for animal in animals:
        if animal not in good_trials: good_trials[animal] = []
        for session in sessions:
            if session in good_trials[animal]: continue
            try:
                fn, trigger_tm = load_mux(animal, session)
            except:
                logging.info('Animal %i has no sessions greater than %i',
                             animal, session + 1)
                break

            try:
                vl = load_vl(animal, fn)
            except:
                logging.info('Animal %i session %i is not a task trial',
                             animal, session + 1)
                continue

            cls = {
                tetrode: load_cl(animal, fn, tetrode)
                for tetrode in range(1, 17)
            }

            try:
                count_cells(vl, cls, trigger_tm, good_clusters)
            except:
                # No cells found
                continue

            if session not in good_trials[animal]:
                good_trials[animal].append(session)
    store_in_cache(cache_key, good_trials)
def run():
    logging.basicConfig(level=logging.INFO)
    cache_key = 'Good trials'
    animals = [66,73]
    sessions = range(100)
    _, good_clusters = goodClusters.get_good_clusters(0)
    
    good_trials = try_cache(cache_key)
    
    if good_trials is None: good_trials = {}
    
    for animal in animals:
        if animal not in good_trials: good_trials[animal] = []
        for session in sessions:
            if session in good_trials[animal]: continue
            try:
                fn, trigger_tm = load_mux(animal, session)
            except:
                logging.info('Animal %i has no sessions greater than %i',animal,session+1)
                break
            
            try:
                vl = load_vl(animal,fn)
            except:
                logging.info('Animal %i session %i is not a task trial',animal,session+1)
                continue
            
            cls = {tetrode:load_cl(animal,fn,tetrode) for tetrode in range(1,17)}
            
            try:
                count_cells(vl,cls,trigger_tm, good_clusters)
            except:
                # No cells found
                continue
            
            if session not in good_trials[animal]:
                good_trials[animal].append(session)
    store_in_cache(cache_key,good_trials)
Пример #10
0
def gpv_rates():
    logging.basicConfig(level=logging.INFO)
    animal = 66
    session = 60
    room_shape = [[-55, 55], [-55, 55]]
    tetrodes = [1]
    cells = range(2, 10)
    bin_size = 5
    K = 50  # Segment length used to calculate firing rates

    #xbins = ybins = (room_shape[0][1]-room_shape[0][0])/bin_size
    good_clusters = {tetrode: cells for tetrode in tetrodes}
    #good_clusters = get_good_clusters(0)

    fn, trigger_tm = load_mux(animal, session)
    vl = load_vl(animal, fn)
    cls = {tetrode: load_cl(animal, fn, tetrode) for tetrode in tetrodes}

    label_l = vl['Task']
    t_cells = count_cells(vl, cls, trigger_tm, good_clusters)

    logging.info('About to generate population vector.')
    X, Y = gpv(vl, t_cells, label_l, K, bin_size, room_shape)
    logging.info('%i population vectors generated.', X.shape[0])
    Y = Y.reshape([-1])

    # GPV rates
    rates = fracs_from_pv(X, Y, bin_size, room_shape, smooth_flag=True)

    # Now get normally calculate rates
    real_rates = get_fracs(vl['xs'],
                           vl['ys'],
                           label_l,
                           room_shape,
                           bin_size,
                           t_cells,
                           smooth_flag=True)

    try:
        assert np.all(rates == real_rates)
    except:
        print 'DOESNT WORK!!'
    plot_rates(rates, Y, t_cells)
    plot_rates(real_rates, Y, t_cells)
    plt.show()
Пример #11
0
def smoothing():
    logging.basicConfig(level=logging.INFO)
    room = [[-55,55],[-55,55]]
    bin_size = 5
    xs = range(room[0][0],room[0][1],bin_size)
    ys = range(room[1][0],room[1][1],bin_size)
    X,Y = np.meshgrid(xs,ys)
    
    session = 60
    animal=66
    _, good_clusters = get_good_clusters(0)
    fn, trigger_tm = load_mux(animal, session)
    vl = load_vl(animal,fn)
    cls = {tetrode:load_cl(animal,fn,tetrode) for tetrode in range(1,17)}
    t_cells = count_cells(vl,cls,trigger_tm,good_clusters)
    x = vl['xs']
    y = vl['ys']
    tpp = np.mean(vl['Time'][1:]-vl['Time'][:-1])*24*60*60
    label_l = vl['Task']
    
    # rates[cell id, lbl, xbin, ybin] = rate
    rates1 = get_fracs(x,y,label_l, room, bin_size, t_cells, smooth_flag=True)
    rates1 /= tpp
    logging.info('Got smoothed rates')
    
    rates2 = get_fracs(x,y,label_l, room, bin_size, t_cells, smooth_flag=False)
    rates2 /= tpp
    logging.info('Got unsmoothed rates')
    
    for i in range(5): # or rates1.shape[0]
        logging.info('Cell %i',i)
        plt.figure()
        plt.pcolor(X,Y,rates1[i,0])
        plt.colorbar()
        plt.autoscale(tight=True)
        plt.xlabel('Position (in)')
        plt.ylabel('Position (in)')


        plt.figure()
        plt.pcolor(rates2[i,0])
        plt.autoscale(tight=True)
        plt.xlabel('Position (in)')
        plt.ylabel('Position (in)')
        plt.show()
Пример #12
0
def gpv_rates():
    logging.basicConfig(level=logging.INFO)
    animal = 66
    session = 60 
    room_shape = [[-55,55],[-55,55]]
    tetrodes = [1]
    cells = range(2,10)
    bin_size = 5
    K =  50# Segment length used to calculate firing rates
    
    #xbins = ybins = (room_shape[0][1]-room_shape[0][0])/bin_size
    good_clusters = {tetrode:cells for tetrode in tetrodes}
    #good_clusters = get_good_clusters(0)
    
    
    fn, trigger_tm = load_mux(animal, session)
    vl = load_vl(animal,fn)
    cls = {tetrode:load_cl(animal,fn,tetrode) for tetrode in tetrodes}
    
    label_l = vl['Task']
    t_cells = count_cells(vl,cls,trigger_tm, good_clusters)
    
    
    logging.info('About to generate population vector.')
    X, Y = gpv(vl, t_cells, label_l, K, bin_size, room_shape)
    logging.info('%i population vectors generated.',X.shape[0])
    Y = Y.reshape([-1])
            
    # GPV rates
    rates = fracs_from_pv(X,Y,bin_size,room_shape,smooth_flag=True)
    
    # Now get normally calculate rates
    real_rates = get_fracs(vl['xs'],vl['ys'],label_l,room_shape,bin_size, t_cells,smooth_flag=True)
    
    try:
        assert np.all(rates == real_rates)
    except:
        print 'DOESNT WORK!!'
    plot_rates(rates,Y,t_cells)
    plot_rates(real_rates,Y,t_cells)
    plt.show()
    
Пример #13
0
def view_PCA():
    animal = 66
    session = 60
    bin_size = 5

    K = 50  # Segment length used to calculate firing rates
    label = 'Task'
    room = [[-55, 55], [-55, 55]]
    _, good_clusters = get_good_clusters(0)
    xbins = (room[0][1] - [0][0]) / bin_size
    ybins = (room[1][1] - [1][0]) / bin_size

    fn, trigger_tm = load_mux(animal, session)
    vl = load_vl(animal, fn)
    cls = {tetrode: load_cl(animal, fn, tetrode) for tetrode in range(1, 17)}

    if label == 'Task':
        label_l = vl['Task']
    else:
        raise Exception('Not implemented yet.')

    t_cells = count_cells(vl, cls, trigger_tm, good_clusters)

    logging.info('About to generate population vector.')
    #X, Y = gpv(vl, t_cells, label_l, K)
    X, Y = gpv(vl, t_cells, label_l, K, bin_size, room)

    pcas = np.zeros([xbins, ybins])
    for xbin, ybin in product(xbins, ybins):
        pca = PCA()
        Xtmp = np.zeros([
            X.shape[0],
        ])
        X = pca.fit_transform(X[:, :len(t_cells)])
        pcas[xbin, ybin] = pca

        plt.plot(pca.explained_variance_ratio_)
        print pca.components_
        plt.show()
Пример #14
0
def view_PCA():
    animal = 66
    session = 60
    bin_size = 5

    K = 50  # Segment length used to calculate firing rates
    label = "Task"
    room = [[-55, 55], [-55, 55]]
    _, good_clusters = get_good_clusters(0)
    xbins = (room[0][1] - [0][0]) / bin_size
    ybins = (room[1][1] - [1][0]) / bin_size

    fn, trigger_tm = load_mux(animal, session)
    vl = load_vl(animal, fn)
    cls = {tetrode: load_cl(animal, fn, tetrode) for tetrode in range(1, 17)}

    if label == "Task":
        label_l = vl["Task"]
    else:
        raise Exception("Not implemented yet.")

    t_cells = count_cells(vl, cls, trigger_tm, good_clusters)

    logging.info("About to generate population vector.")
    # X, Y = gpv(vl, t_cells, label_l, K)
    X, Y = gpv(vl, t_cells, label_l, K, bin_size, room)

    pcas = np.zeros([xbins, ybins])
    for xbin, ybin in product(xbins, ybins):
        pca = PCA()
        Xtmp = np.zeros([X.shape[0]])
        X = pca.fit_transform(X[:, : len(t_cells)])
        pcas[xbin, ybin] = pca

        plt.plot(pca.explained_variance_ratio_)
        print pca.components_
        plt.show()
Пример #15
0
def checkGPV():
    logging.basicConfig(level=5)
    animal = 66
    session = 60 
    room_shape = [[-55,55],[-55,55]]
    tetrodes = [1]
    cells = range(2,10)
    bin_size = 5
    K =  1# Segment length used to calculate firing rates
    
    
    maxs = 10000
    
    assert maxs%K==0
    
    #xbins = ybins = (room_shape[0][1]-room_shape[0][0])/bin_size
    good_clusters = {tetrode:cells for tetrode in tetrodes}
    #good_clusters = get_good_clusters(0)
    
    
    fn, trigger_tm = load_mux(animal, session)
    vl = load_vl(animal,fn)
    cls = {tetrode:load_cl(animal,fn,tetrode) for tetrode in tetrodes}
    
    label_l = vl['Task']
    t_cells = count_cells(vl,cls,trigger_tm, good_clusters)
    
    ''''''
    # For debugging purposes, make sure it's not too big
    if len(label_l) > maxs:
        vl['xs'] = vl['xs'][:maxs*10:10]
        vl['ys'] = vl['ys'][:maxs*10:10]
        label_l = label_l[:maxs*10:10]
        for key in t_cells:
            tmp = np.array(t_cells[key])
            tmp = tmp[tmp<maxs]
            t_cells[key] = tmp
    
    for gpv in [gpv1]:
    
        logging.info('About to generate population vector.')
        X, Y = gpv(vl, t_cells, label_l, K, bin_size, room_shape)
        logging.info('%i population vectors generated.',X.shape[0])
        Y = Y.reshape([-1])
        
        # Debug code
        # This is only true if no points are thrown away
        if X.shape[0]*K == maxs:
            tot_spks = np.sum([len(np.unique(spki)) for spki in t_cells.values()])
            assert tot_spks == np.sum(X[:,:len(t_cells)])*K

        # GPV rates
        rates = fracs_from_pv(X,Y,bin_size,room_shape,smooth_flag=False)
        
        # Now get normally calculate rates
        real_rates = get_fracs(vl['xs'],vl['ys'],label_l,room_shape,bin_size, t_cells,smooth_flag=False)
        
        try:
            assert np.all(rates == real_rates)
        except:
            print 'DOESNT WORK!!'
            plot_rates(rates,Y,t_cells)
            plot_rates(real_rates,Y,t_cells)
            plt.show()
Пример #16
0
def run(Folds):
    # Toggle-able parameters
    #CLs = [CL2,CL6,CL5]
    #CLs = [CL6, CL7]
    CLs = [CL10]
    Ks = np.arange(10,200,20) # Segment length used to calculate firing rates
    

    # Sort of toggle-able parameters
    #animal_sess_combs = [(66,60),(70,8),(70,10),(66,61)]
    animal_sess_combs = [(66,60)]
    #good_trials = try_cache('Good trials')
    #animal_sess_combs = [(animal,session) for animal in range(65,74) 
    #                     for session in good_trials[animal]]
    bin_sizes = [5]
    label = 'Task'
    exceptions = []
    cl_profs = [0]
    
    # Not really toggle-able parameters
    room = [[-55,55],[-55,55]]
    
    
    
    cache = try_cache('One big data structure for %i folds'%(Folds,))
    adat = ({} if cache is None else cache)

    for animal, session in animal_sess_combs:
        fn, trigger_tm = load_mux(animal, session)
        vl = load_vl(animal,fn)
        cls = {tetrode:load_cl(animal,fn,tetrode) for tetrode in range(1,17)}
        
        if label == 'Task': label_l = vl['Task']
        else: raise Exception('Not implemented yet.')
        
        for clust_prof in cl_profs:
            cl_prof_name, good_clusters = get_good_clusters(clust_prof)
            t_cells = count_cells(vl,cls,trigger_tm,good_clusters)
            
            for bin_size, K in product(bin_sizes,Ks):
                cached = np.zeros(len(CLs))
                for CL in CLs:
                    i = CLs.index(CL)
                    try:
                        raise Exception
                        adat[CL.name][animal][session][cl_prof_name][bin_size][label][K]
                        cached[i] = True
                    except:
                        cached[i] = False
                
                if np.sum(cached) == len(CLs): 
                    print 'Everything already cached'
                    continue # Everything is already cached!
                
                
                logging.info('About to generate population vector.')
                X, Y = gpv(vl, t_cells, label_l, K, bin_size, room)
                
                
                # The main data stricture
                dps = {CL:[] for CL in CLs if CL not in cached}
                
                if Folds >0: kf = cross_validation.KFold(len(Y),n_folds=Folds,shuffle=True)
                else: kf = [(range(len(Y)),range(len(Y)))]
                for train_index, test_index in kf:
                    logging.warning('Training/testing: %i/%i',len(train_index),len(test_index))
                    for CL in CLs:
                        if cached[CLs.index(CL)]: continue
                        logging.warning('%s, %i seg, (%i, %i)',CL.name, K, animal, session)
                        if (CL,clust_prof) in exceptions: continue
                        CL.delt_t = K
                        correct_dp = check_classifier(train_index,test_index,X,Y,CL, room, bin_size)
        
                        dps[CL].extend(correct_dp.tolist())
                for CL in CLs:
                    if cached[CLs.index(CL)]: continue
                    to_add = np.array(dps[CL]).reshape([-1])
                    add(adat, CL.name, animal, session, cl_prof_name, bin_size, label, K, to_add)

    store_in_cache('One big data structure for %i folds'%(Folds,),adat)
Пример #17
0
def checkGPV():
    logging.basicConfig(level=5)
    animal = 66
    session = 60
    room_shape = [[-55, 55], [-55, 55]]
    tetrodes = [1]
    cells = range(2, 10)
    bin_size = 5
    K = 1  # Segment length used to calculate firing rates

    maxs = 10000

    assert maxs % K == 0

    #xbins = ybins = (room_shape[0][1]-room_shape[0][0])/bin_size
    good_clusters = {tetrode: cells for tetrode in tetrodes}
    #good_clusters = get_good_clusters(0)

    fn, trigger_tm = load_mux(animal, session)
    vl = load_vl(animal, fn)
    cls = {tetrode: load_cl(animal, fn, tetrode) for tetrode in tetrodes}

    label_l = vl['Task']
    t_cells = count_cells(vl, cls, trigger_tm, good_clusters)
    ''''''
    # For debugging purposes, make sure it's not too big
    if len(label_l) > maxs:
        vl['xs'] = vl['xs'][:maxs * 10:10]
        vl['ys'] = vl['ys'][:maxs * 10:10]
        label_l = label_l[:maxs * 10:10]
        for key in t_cells:
            tmp = np.array(t_cells[key])
            tmp = tmp[tmp < maxs]
            t_cells[key] = tmp

    for gpv in [gpv1]:

        logging.info('About to generate population vector.')
        X, Y = gpv(vl, t_cells, label_l, K, bin_size, room_shape)
        logging.info('%i population vectors generated.', X.shape[0])
        Y = Y.reshape([-1])

        # Debug code
        # This is only true if no points are thrown away
        if X.shape[0] * K == maxs:
            tot_spks = np.sum(
                [len(np.unique(spki)) for spki in t_cells.values()])
            assert tot_spks == np.sum(X[:, :len(t_cells)]) * K

        # GPV rates
        rates = fracs_from_pv(X, Y, bin_size, room_shape, smooth_flag=False)

        # Now get normally calculate rates
        real_rates = get_fracs(vl['xs'],
                               vl['ys'],
                               label_l,
                               room_shape,
                               bin_size,
                               t_cells,
                               smooth_flag=False)

        try:
            assert np.all(rates == real_rates)
        except:
            print 'DOESNT WORK!!'
            plot_rates(rates, Y, t_cells)
            plot_rates(real_rates, Y, t_cells)
            plt.show()
def run(Folds):
    # Toggle-able parameters
    #CLs = [CL2,CL6,CL5]
    #CLs = [CL6, CL7]
    CLs = [CL10]
    Ks = np.arange(10, 200,
                   20)  # Segment length used to calculate firing rates

    # Sort of toggle-able parameters
    #animal_sess_combs = [(66,60),(70,8),(70,10),(66,61)]
    animal_sess_combs = [(66, 60)]
    #good_trials = try_cache('Good trials')
    #animal_sess_combs = [(animal,session) for animal in range(65,74)
    #                     for session in good_trials[animal]]
    bin_sizes = [5]
    label = 'Task'
    exceptions = []
    cl_profs = [0]

    # Not really toggle-able parameters
    room = [[-55, 55], [-55, 55]]

    cache = try_cache('One big data structure for %i folds' % (Folds, ))
    adat = ({} if cache is None else cache)

    for animal, session in animal_sess_combs:
        fn, trigger_tm = load_mux(animal, session)
        vl = load_vl(animal, fn)
        cls = {
            tetrode: load_cl(animal, fn, tetrode)
            for tetrode in range(1, 17)
        }

        if label == 'Task': label_l = vl['Task']
        else: raise Exception('Not implemented yet.')

        for clust_prof in cl_profs:
            cl_prof_name, good_clusters = get_good_clusters(clust_prof)
            t_cells = count_cells(vl, cls, trigger_tm, good_clusters)

            for bin_size, K in product(bin_sizes, Ks):
                cached = np.zeros(len(CLs))
                for CL in CLs:
                    i = CLs.index(CL)
                    try:
                        raise Exception
                        adat[CL.name][animal][session][cl_prof_name][bin_size][
                            label][K]
                        cached[i] = True
                    except:
                        cached[i] = False

                if np.sum(cached) == len(CLs):
                    print 'Everything already cached'
                    continue  # Everything is already cached!

                logging.info('About to generate population vector.')
                X, Y = gpv(vl, t_cells, label_l, K, bin_size, room)

                # The main data stricture
                dps = {CL: [] for CL in CLs if CL not in cached}

                if Folds > 0:
                    kf = cross_validation.KFold(len(Y),
                                                n_folds=Folds,
                                                shuffle=True)
                else:
                    kf = [(range(len(Y)), range(len(Y)))]
                for train_index, test_index in kf:
                    logging.warning('Training/testing: %i/%i',
                                    len(train_index), len(test_index))
                    for CL in CLs:
                        if cached[CLs.index(CL)]: continue
                        logging.warning('%s, %i seg, (%i, %i)', CL.name, K,
                                        animal, session)
                        if (CL, clust_prof) in exceptions: continue
                        CL.delt_t = K
                        correct_dp = check_classifier(train_index, test_index,
                                                      X, Y, CL, room, bin_size)

                        dps[CL].extend(correct_dp.tolist())
                for CL in CLs:
                    if cached[CLs.index(CL)]: continue
                    to_add = np.array(dps[CL]).reshape([-1])
                    add(adat, CL.name, animal, session, cl_prof_name, bin_size,
                        label, K, to_add)

    store_in_cache('One big data structure for %i folds' % (Folds, ), adat)
Пример #19
0
def rate_graph():
    #mpl.rcParams['axes.titlesize'] = 18
    #mpl.rcParams['axes.labelsize'] = 18
    mpl.rcParams['font.size'] = 26

    animal = 66
    session = 60  # This is August 7, 2013 run
    room_shape = [[-55, 55], [-55, 55]]
    tetrodes = [1]
    cluster_profile = 0
    bin_size = 5

    _, good_clusters = get_good_clusters(cluster_profile)

    fn, trigger_tm = load_mux(animal, session)
    vl = load_vl(animal, fn)
    cls = {tetrode: load_cl(animal, fn, tetrode) for tetrode in tetrodes}

    t_cells = count_cells(vl, cls, trigger_tm, good_clusters)

    label_l = vl['Task']

    # rates[cell, lbl, xbin, ybin] = firing rate
    rates = get_fracs(vl['xs'], vl['ys'], label_l, room_shape, bin_size,
                      t_cells)

    for lbl in range(len(np.unique(label_l))):

        plt.figure(figsize=(10, 10))
        x = np.concatenate([
            np.arange(room_shape[0][0], room_shape[0][1], bin_size),
            [room_shape[0][1]]
        ])
        y = np.concatenate([
            np.arange(room_shape[1][0], room_shape[1][1], bin_size),
            [room_shape[1][1]]
        ])
        Xs, Ys = np.meshgrid(x, y)
        cntr = plt.pcolor(Ys, Xs, rates[3, lbl])

        t = plt.colorbar(cntr, extend='both')
        t.set_label('Frequency (Hz)')
        plt.xlabel('Position (in)')
        plt.ylabel('Position (in)')
        if lbl == 0: plt.title('Clockwise')
        else: plt.title('Counterclockwise')

        #plt.axis('equal')
        plt.xlim(room_shape[0])
        plt.ylim(room_shape[1])
        '''
        plt.figure()
        x = np.arange(room_shape[0][0],room_shape[0][1],bin_size)
        y = np.arange(room_shape[1][0],room_shape[1][1],bin_size)
        Xs, Ys = np.meshgrid(x, y)
        cntr = plt.contourf(Ys,Xs,rate_dict[contxt][2])
        t = plt.colorbar(cntr, extend='both')
        t.set_label('Frequency (Hz)')
        plt.xlabel('Position (in)')
        plt.ylabel('Position (in)')'''
    plt.show()