Esempio n. 1
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            for (i, j) in newpoints:
                centers[i] = j

            iter += 1

        return KMeansModel(centers)


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="do kmeans clustering")
    parser.add_argument("datafile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("k", type=int)
    parser.add_argument("--maxiter", type=float, default=20, required=False)
    parser.add_argument("--tol", type=float, default=0.001, required=False)
    parser.add_argument("--preprocess", choices=("raw", "dff", "sub", "dff-highpass", "dff-percentile"
                        "dff-detrendnonlin", "dff-detrend-percentile"), default="raw", required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="kmeans")

    data = tsc.loadText(args.datafile, args.preprocess).cache()
    model = KMeans(k=args.k, maxiter=args.maxiter, tol=args.tol).train(data)
    labels = model.predict(data)

    outputdir = args.outputdir + "-kmeans"
    save(model.centers, outputdir, "centers", "matlab")
    save(labels, outputdir, "labels", "matlab")
Esempio n. 2
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    def __init__(self, statistic):
        self.func = {
            'median': lambda x: median(x),
            'mean': lambda x: mean(x),
            'std': lambda x: std(x),
            'norm': lambda x: norm(x - mean(x)),
        }[statistic]

    def get(self, y):
        """Compute the statistic"""

        return self.func(y)

if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="compute summary statistics on time series data")
    parser.add_argument("datafile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("mode", choices=("mean", "median", "std", "norm"), help="which summary statistic")
    parser.add_argument("--preprocess", choices=("raw", "dff", "sub", "dff-highpass", "dff-percentile"
                        "dff-detrendnonlin", "dff-detrend-percentile"), default="raw", required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="stats")

    data = tsc.loadText(args.datafile, args.preprocess).cache()
    vals = Stats(args.mode).calc(data)

    outputdir = args.outputdir + "-stats"
    save(vals, outputdir, "stats_" + args.mode, "matlab")
Esempio n. 3
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                        help="form of tuning curve")
    parser.add_argument("--regressmodelfile", type=str)
    parser.add_argument("--regressmode",
                        choices=("linear", "bilinear"),
                        help="form of regression")
    parser.add_argument("--preprocess",
                        choices=("raw", "dff", "sub", "dff-highpass",
                                 "dff-percentile"
                                 "dff-detrendnonlin",
                                 "dff-detrend-percentile"),
                        default="raw",
                        required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="tuning")

    data = tsc.loadText(args.datafile, args.preprocess)
    tuningmodel = TuningModel.load(args.tuningmodelfile, args.tuningmode)
    if args.regressmodelfile is not None:
        # use regression results
        regressmodel = RegressionModel.load(args.regressmodelfile,
                                            args.regressmode)
        betas, stats, resid = regressmodel.fit(data)
        params = tuningmodel.fit(betas)
    else:
        # use data
        params = tuningmodel.fit(data)

    outputdir = args.outputdir + "-tuning"
    save(params, outputdir, "params", "matlab")
Esempio n. 4
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    def get(self, y):
        """Compute the statistic"""

        return self.func(y)


if __name__ == "__main__":
    parser = argparse.ArgumentParser(
        description="compute summary statistics on time series data")
    parser.add_argument("datafile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("mode",
                        choices=("mean", "median", "std", "norm"),
                        help="which summary statistic")
    parser.add_argument("--preprocess",
                        choices=("raw", "dff", "sub", "dff-highpass",
                                 "dff-percentile"
                                 "dff-detrendnonlin",
                                 "dff-detrend-percentile"),
                        default="raw",
                        required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="stats")

    data = tsc.loadText(args.datafile, args.preprocess).cache()
    vals = Stats(args.mode).calc(data)

    outputdir = args.outputdir + "-stats"
    save(vals, outputdir, "stats_" + args.mode, "matlab")
Esempio n. 5
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        values = zeros((self.n, len(data.first()[1])))
        for idx, indlist in enumerate(self.inds):
            if len(indlist) > 0:
                values[idx, :] = self.select(data, idx).map(lambda (k, x): x).sum() / len(indlist)
                keys[idx, :] = mean(map(lambda (k, v): k, indtosub(map(lambda k: (k, 0), indlist), dims.max)), axis=0)

        self.keys = keys
        self.values = values

        return self


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="query data by averaging values for given indices")
    parser.add_argument("datafile", type=str)
    parser.add_argument("indsfile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("--preprocess", choices=("raw", "dff", "sub", "dff-highpass", "dff-percentile"
                        "dff-detrendnonlin", "dff-detrend-percentile"), default="raw", required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="query")

    data = tsc.loadText(args.datafile, args.preprocess).cache()
    qry = Query(args.indsfile).calc(data)

    outputdir = args.outputdir + "-query"
    save(qry.keys, outputdir, "centers", "matlab")
    save(qry.values, outputdir, "ts", "matlab")
Esempio n. 6
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txt_file = [f for f in os.listdir(Exp_Folder) if (f.endswith('.txt') and f.find(filename_suffix+'.txt')==0)]

if len(txt_file)==0: 
    start_time = time.time() 
    print 'Saving images to text on '+Exp_Folder
    exp_filenames = create_textfile(Exp_Folder, filename_suffix, num_time, num_time_req, img_size_x, img_size_y, f_f_flag)
    print 'Saving to text file took '+ str(int(time.time()-start_time)) +' seconds'
else:
    exp_filenames = [ f for f in os.listdir(Exp_Folder) if (os.path.isfile(os.path.join(Exp_Folder,f)) and f.find('.tif')>0)]


############## STEP 2 ######################
#Start Thunder Context if it doesnt already exist

print 'Starting Thunder Now. Check console for details'
tsc = ThunderContext.start(appName="pca")
time.sleep(2)
   
############## STEP 3 ######################  
#Load data from the text file using thunder context
data = tsc.loadText(Exp_Folder+filename_suffix+'.txt').cache()

############## STEP 3 ######################  
#Run PCA      
start_time = time.time()   
print 'Running pca...on '+Exp_Folder
pca, imgs_pca = run_pca(data,pca_components)                
print 'Running PCA took '+ str(int(time.time()-start_time)) +' seconds'

#Create polar maps
start_time = time.time()   
Esempio n. 7
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        co = amp / amp_sum
        ph = -(pi / 2) - angle(ft[self.freq])
        if ph < 0:
            ph += pi * 2
        return array([co, ph])


if __name__ == "__main__":
    parser = argparse.ArgumentParser(
        description="compute a fourier transform on each time series")
    parser.add_argument("datafile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("freq", type=int)
    parser.add_argument("--preprocess",
                        choices=("raw", "dff", "sub", "dff-highpass",
                                 "dff-percentile"
                                 "dff-detrendnonlin",
                                 "dff-detrend-percentile"),
                        default="raw",
                        required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="fourier")

    data = tsc.loadText(args.datafile, args.preprocess).cache()
    out = Fourier(freq=args.freq).calc(data)

    outputdir = args.outputdir + "-fourier"
    save(out, outputdir, "fourier", "matlab")
Esempio n. 8
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        else:
            r2 = 1 - sse / sst

        return b2[1:], r2, resid

REGRESSION_MODELS = {
    'linear': LinearRegressionModel,
    'bilinear': BilinearRegressionModel,
    'mean': MeanRegressionModel
}

if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="fit a regression model")
    parser.add_argument("datafile", type=str)
    parser.add_argument("modelfile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("regressmode", choices=("mean", "linear", "bilinear"), help="form of regression")
    parser.add_argument("--preprocess", choices=("raw", "dff", "sub", "dff-highpass", "dff-percentile"
                        "dff-detrendnonlin", "dff-detrend-percentile"), default="raw", required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="regress")

    data = tsc.loadText(args.datafile, args.preprocess)
    stats, betas, resid = RegressionModel.load(args.modelfile, args.regressmode).fit(data)

    outputdir = args.outputdir + "-regress"
    save(stats, outputdir, "stats", "matlab")
    save(betas, outputdir, "betas", "matlab")
Esempio n. 9
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        return KMeansModel(centers)


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="do kmeans clustering")
    parser.add_argument("datafile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("k", type=int)
    parser.add_argument("--maxiter", type=float, default=20, required=False)
    parser.add_argument("--tol", type=float, default=0.001, required=False)
    parser.add_argument("--preprocess",
                        choices=("raw", "dff", "sub", "dff-highpass",
                                 "dff-percentile"
                                 "dff-detrendnonlin",
                                 "dff-detrend-percentile"),
                        default="raw",
                        required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="kmeans")

    data = tsc.loadText(args.datafile, args.preprocess).cache()
    model = KMeans(k=args.k, maxiter=args.maxiter, tol=args.tol).train(data)
    labels = model.predict(data)

    outputdir = args.outputdir + "-kmeans"
    save(model.centers, outputdir, "centers", "matlab")
    save(labels, outputdir, "labels", "matlab")
Esempio n. 10
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    parser = argparse.ArgumentParser(description="fit a regression model")
    parser.add_argument("datafile", type=str)
    parser.add_argument("sigfile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("lag", type=int)
    parser.add_argument("--preprocess",
                        choices=("raw", "dff", "sub", "dff-highpass",
                                 "dff-percentile"
                                 "dff-detrendnonlin",
                                 "dff-detrend-percentile"),
                        default="raw",
                        required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="crosscorr")

    data = tsc.loadText(args.datafile, args.preprocess).cache()

    outputdir = args.outputdir + "-crosscorr"

    # post-process data with pca if lag greater than 0
    vals = CrossCorr(args.sigfile, args.lag).calc(data)
    if args.lag is not 0:
        out = PCA(2).fit(vals)
        save(out.comps, outputdir, "comps", "matlab")
        save(out.latent, outputdir, "latent", "matlab")
        save(out.scores, outputdir, "scores", "matlab")
    else:
        save(vals, outputdir, "betas", "matlab")
Esempio n. 11
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        return t


CLASSIFIERS = {
    'gaussnaivebayes': GaussNaiveBayesClassifier,
    'ttest': TTestClassifier
}

if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="fit a regression model")
    parser.add_argument("datafile", type=str)
    parser.add_argument("paramfile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("classifymode", choices="naivebayes", help="form of classifier")
    parser.add_argument("--featureset", type=array, default="None", required=False)
    parser.add_argument("--cv", type=int, default="0", required=False)
    parser.add_argument("--preprocess", choices=("raw", "dff", "sub", "dff-highpass", "dff-percentile"
                        "dff-detrendnonlin", "dff-detrend-percentile"), default="raw", required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start("classify")

    data = tsc.loadText(args.datafile, args.preprocess)
    clf = MassUnivariateClassifier.load(args.paramfile, args.classifymode, cv=args.cv)
    perf = clf.classify(data, args.featureset)

    outputdir = args.outputdir + "-classify"
    save(perf, outputdir, "perf", "matlab")
Esempio n. 12
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        # reduce by key to get the average time series for each neighborhood
        means = neighbors.reduceByKey(lambda x, y: x + y).mapValues(lambda x: x / ((2*self.neighborhood+1)**2))

        # join with the original time series data to compute correlations
        result = data.join(means)

        # get correlations
        corr = result.mapValues(lambda x: corrcoef(x[0], x[1])[0, 1])

        # force sorting, but reverse keys for correct ordering
        return corr.map(lambda (k, v): (k[::-1], v)).sortByKey().map(lambda (k, v): (k[::-1], v))


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="correlate time series with neighbors")
    parser.add_argument("datafile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("sz", type=int)
    parser.add_argument("--preprocess", choices=("raw", "dff", "sub", "dff-highpass", "dff-percentile"
                        "dff-detrendnonlin", "dff-detrend-percentile"), default="raw", required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="localcorr")

    data = tsc.loadText(args.datafile, filter=args.preprocess).cache()
    corrs = LocalCorr(args.sz).calc(data)

    outputdir = args.outputdir + "-localcorr"
    save(corrs, outputdir, "corr", "matlab")
Esempio n. 13
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if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="fit a parametric tuning curve to regression results")
    parser.add_argument("datafile", type=str)
    parser.add_argument("tuningmodelfile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("tuningmode", choices=("circular", "gaussian"), help="form of tuning curve")
    parser.add_argument("--regressmodelfile", type=str)
    parser.add_argument("--regressmode", choices=("linear", "bilinear"), help="form of regression")
    parser.add_argument("--preprocess", choices=("raw", "dff", "sub", "dff-highpass", "dff-percentile"
                        "dff-detrendnonlin", "dff-detrend-percentile"), default="raw", required=False)

    args = parser.parse_args()
    
    tsc = ThunderContext.start(appName="tuning")

    data = tsc.loadText(args.datafile, args.preprocess)
    tuningmodel = TuningModel.load(args.tuningmodelfile, args.tuningmode)
    if args.regressmodelfile is not None:
        # use regression results
        regressmodel = RegressionModel.load(args.regressmodelfile, args.regressmode)
        betas, stats, resid = regressmodel.fit(data)
        params = tuningmodel.fit(betas)
    else:
        # use data
        params = tuningmodel.fit(data)

    outputdir = args.outputdir + "-tuning"
    save(params, outputdir, "params", "matlab")
Esempio n. 14
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                ts[i, :] = self.select(
                    data, i).map(lambda (k, x): x).sum() / len(self.inds[i])

        return ts


if __name__ == "__main__":
    parser = argparse.ArgumentParser(
        description=
        "query time series data by averaging values for given indices")
    parser.add_argument("datafile", type=str)
    parser.add_argument("indsfile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("--preprocess",
                        choices=("raw", "dff", "sub", "dff-highpass",
                                 "dff-percentile"
                                 "dff-detrendnonlin",
                                 "dff-detrend-percentile"),
                        default="raw",
                        required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="query")

    data = tsc.loadText(args.datafile, args.preprocess).cache()
    ts = Query(args.indsfile).calc(data)

    outputdir = args.outputdir + "-query"
    save(ts, outputdir, "ts", "matlab")
Esempio n. 15
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from thunder.regression import RegressionModel
from thunder.factorization import PCA
from thunder.utils import ThunderContext
from thunder.utils import save


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="fit a regression model")
    parser.add_argument("datafile", type=str)
    parser.add_argument("modelfile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("regressmode", choices=("mean", "linear", "bilinear"), help="form of regression")
    parser.add_argument("--k", type=int, default=2)
    parser.add_argument("--preprocess", choices=("raw", "dff", "sub", "dff-highpass", "dff-percentile"
                        "dff-detrendnonlin", "dff-detrend-percentile"), default="raw", required=False)

    args = parser.parse_args()
    
    tsc = ThunderContext.start(appName="regresswithpca")

    data = tsc.loadText(args.datafile, args.preprocess)
    model = RegressionModel.load(args.modelfile, args.regressmode)  # do regression
    betas, stats, resid = model.fit(data)
    pca = PCA(args.k).fit(betas)  # do PCA
    traj = model.fit(data, pca.comps)  # get trajectories

    outputdir = args.outputdir + "-regress"
    save(pca.comps, outputdir, "comps", "matlab")
    save(pca.latent, outputdir, "latent", "matlab")
    save(pca.scores, outputdir, "scores", "matlab")
    save(traj, outputdir, "traj", "matlab")
Esempio n. 16
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        self.w = w
        self.a = a
        self.sigs = sigs

        return self


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="do independent components analysis")
    parser.add_argument("datafile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("k", type=int)
    parser.add_argument("c", type=int)
    parser.add_argument("--svdmethod", choices=("direct", "em"), default="direct", required=False)
    parser.add_argument("--maxiter", type=float, default=100, required=False)
    parser.add_argument("--tol", type=float, default=0.000001, required=False)
    parser.add_argument("--seed", type=int, default=0, required=False)
    parser.add_argument("--preprocess", choices=("raw", "dff", "sub", "dff-highpass", "dff-percentile"
                        "dff-detrendnonlin", "dff-detrend-percentile"), default="raw", required=False)

    args = parser.parse_args()
    
    tsc = ThunderContext.start(appName="ica")

    data = tsc.loadText(args.datafile, args.preprocess).cache()
    result = ICA(args.k, args.c, args.svdmethod, args.maxiter, args.tol, args.seed).fit(data)

    outputdir = args.outputdir + "-ica"
    save(result.w, outputdir, "w", "matlab")
    save(result.sigs, outputdir, "sigs", "matlab")
Esempio n. 17
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    parser.add_argument("paramfile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("classifymode",
                        choices="naivebayes",
                        help="form of classifier")
    parser.add_argument("--featureset",
                        type=array,
                        default="None",
                        required=False)
    parser.add_argument("--cv", type=int, default="0", required=False)
    parser.add_argument("--preprocess",
                        choices=("raw", "dff", "sub", "dff-highpass",
                                 "dff-percentile"
                                 "dff-detrendnonlin",
                                 "dff-detrend-percentile"),
                        default="raw",
                        required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start("classify")

    data = tsc.loadText(args.datafile, args.preprocess)
    clf = MassUnivariateClassifier.load(args.paramfile,
                                        args.classifymode,
                                        cv=args.cv)
    perf = clf.classify(data, args.featureset)

    outputdir = args.outputdir + "-classify"
    save(perf, outputdir, "perf", "matlab")
Esempio n. 18
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if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="do non-negative matrix factorization")
    parser.add_argument("datafile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("k", type=int)
    parser.add_argument("--nmfmethod", choices="als", default="als", required=False)
    parser.add_argument("--maxiter", type=float, default=20, required=False)
    parser.add_argument("--tol", type=float, default=0.001, required=False)
    parser.add_argument("--w_hist", type=bool, default=False, required=False)
    parser.add_argument("--recon_hist", type=bool, default=False, required=False)
    parser.add_argument("--preprocess", choices=("raw", "dff", "sub", "dff-highpass", "dff-percentile"
                        "dff-detrendnonlin", "dff-detrend-percentile"), default="raw", required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="nmf")

    data = tsc.loadText(args.datafile, args.preprocess).cache()
    nmf = NMF(k=args.k, method=args.nmfmethod, maxiter=args.maxiter, tol=args.tol, w_hist=args.w_hist,
              recon_hist=args.recon_hist)
    nmf.calc(data)

    outputdir = args.outputdir + "-nmf"
    save(nmf.w, outputdir, "w", "matlab")
    save(nmf.h, outputdir, "h", "matlab")
    if args.w_hist:
        save(nmf.w_convergence, outputdir, "w_convergence", "matlab")
    if args.recon_hist:
        save(nmf.recon_err, outputdir, "rec_err", "matlab")
Esempio n. 19
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        # get correlations
        corr = result.mapValues(lambda x: corrcoef(x[0], x[1])[0, 1])

        # force sorting, but reverse keys for correct ordering
        return corr.map(lambda (k, v): (k[::-1], v)).sortByKey().map(
            lambda (k, v): (k[::-1], v))


if __name__ == "__main__":
    parser = argparse.ArgumentParser(
        description="correlate time series with neighbors")
    parser.add_argument("datafile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("sz", type=int)
    parser.add_argument("--preprocess",
                        choices=("raw", "dff", "sub", "dff-highpass",
                                 "dff-percentile"
                                 "dff-detrendnonlin",
                                 "dff-detrend-percentile"),
                        default="raw",
                        required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="localcorr")

    data = tsc.loadText(args.datafile, filter=args.preprocess).cache()
    corrs = LocalCorr(args.sz).calc(data)

    outputdir = args.outputdir + "-localcorr"
    save(corrs, outputdir, "corr", "matlab")
Esempio n. 20
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import thunder
from thunder.utils import ThunderContext

tsc = ThunderContext(sc)

print('\n')
print('Running thunder version ' + thunder.__version__)
print('A thunder context is available as tsc')
Esempio n. 21
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    'mean': MeanRegressionModel
}

if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="fit a regression model")
    parser.add_argument("datafile", type=str)
    parser.add_argument("modelfile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("regressmode",
                        choices=("mean", "linear", "bilinear"),
                        help="form of regression")
    parser.add_argument("--preprocess",
                        choices=("raw", "dff", "sub", "dff-highpass",
                                 "dff-percentile"
                                 "dff-detrendnonlin",
                                 "dff-detrend-percentile"),
                        default="raw",
                        required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="regress")

    data = tsc.loadText(args.datafile, args.preprocess)
    stats, betas, resid = RegressionModel.load(args.modelfile,
                                               args.regressmode).fit(data)

    outputdir = args.outputdir + "-regress"
    save(stats, outputdir, "stats", "matlab")
    save(betas, outputdir, "betas", "matlab")
Esempio n. 22
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            b = dot(self.x, y)
        return b


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="fit a regression model")
    parser.add_argument("datafile", type=str)
    parser.add_argument("sigfile", type=str)
    parser.add_argument("outputdir", type=str)
    parser.add_argument("lag", type=int)
    parser.add_argument("--preprocess", choices=("raw", "dff", "sub", "dff-highpass", "dff-percentile"
                        "dff-detrendnonlin", "dff-detrend-percentile"), default="raw", required=False)

    args = parser.parse_args()

    tsc = ThunderContext.start(appName="crosscorr")

    data = tsc.loadText(args.datafile, args.preprocess).cache()

    outputdir = args.outputdir + "-crosscorr"

    # post-process data with pca if lag greater than 0
    vals = CrossCorr(args.sigfile, args.lag).calc(data)
    if args.lag is not 0:
        out = PCA(2).fit(vals)
        save(out.comps, outputdir, "comps", "matlab")
        save(out.latent, outputdir, "latent", "matlab")
        save(out.scores, outputdir, "scores", "matlab")
    else:
        save(vals, outputdir, "betas", "matlab")