def get_data_with_kv_tags(self, *args, **kwargs):
if 'kv_tag_keys' in kwargs.keys():
kv_tag_keys = kwargs.get('kv_tag_keys')
kwargs.pop('kv_tag_keys')
else:
kv_tag_keys = ['move_direction', 'vehicle_type']
if len(args) > 0 and isinstance(args[0], Cursor):
c = args[0]
else:
c = self.mgc.find(*args, **kwargs)
d = list()
for ci in c:
for seg in ci[self.segment_field]:
dd = {'path': ci[self.path_field]}
for tag_key in kv_tag_keys:
dd.update(
{tag_key: ci[self.kv_tag_field].get(tag_key, None)})
dd.update(seg['fv'])
dd.update({
'offset_s': seg['offset_s'],
'duration': seg['duration']
})
d += [dd]
d = reorder_columns_as(pd.DataFrame(d), ['path'] + kv_tag_keys +
['offset_s', 'duration'])
return d
def get_info_df(store, keys=None, info=None, cols=None):
# process inputs
if not keys:
keys = store.keys()
else:
keys = util_ulist.ascertain_list(keys)
keys = colloc.intersect(keys, store.keys())
# get info_dict
info_dict = get_info_dict(store)
# make the df
df = pd.DataFrame(
[dict(v, **{'key': k}) for k, v in info_dict.iteritems()])
df = df[df['key'].isin(keys)]
if 'shape' in df.columns:
del df['shape']
if 'ncols' not in df.columns:
df['ncols'] = np.nan
if 'nrows' not in df.columns:
df['nrows'] = np.nan
# get ncols and nrows with missing
idx = df['ncols'].isnull().nonzero()[
0] # ncols and nrows should both be missing when one is
for i in idx:
d = store[df['key'].iloc[i]]
df['nrows'].iloc[i] = len(d)
df['ncols'].iloc[i] = len(d.columns)
# clean up and return
df = df.set_index('key')
df = df.sort_index()
df = daf_manip.reorder_columns_as(
df, ['nrows', 'ncols', 'isa', 'typ', 'indexers', 'dc'])
df = df.replace(to_replace=np.nan, value='')
if info:
if isinstance(info, dict):
# add as many columns as there are keys in dict, using the values of the dict as functions applied to
# the whole stored dataframe to get the column value
df = pd.concat(
[df, pd.DataFrame(columns=info.keys(), index=df.index)],
axis=1)
for key in df.index.values:
key_data = store[key]
for k, v in info.iteritems():
df[k].loc[key] = v(key_data)
elif np.all(map(lambda x: isinstance(x, basestring), info)):
df = daf_manip.filter_columns(df, info)
else:
raise ValueError('Unrecognized info format')
# filter cols
if cols:
df = daf_manip.filter_columns(df, cols)
return df
def get_data_with_tags(self, *args, **kwargs):
if len(args) > 0 and isinstance(args[0], Cursor):
c = args[0]
else:
c = self.mgc.find(*args, **kwargs)
d = list()
for ci in c:
for seg in ci['segments']:
dd = {'path': ci[self.path_field], 'tags': ci[self.tag_field]}
dd.update(seg['fv'])
dd.update({'offset_s': seg['offset_s'], 'duration': seg['duration']})
d += [dd]
d = reorder_columns_as(pd.DataFrame(d), ['path', 'tags', 'offset_s', 'duration'])
return d
def get_info_df(store, keys=None, info=None, cols=None):
# process inputs
if not keys:
keys = store.keys()
else:
keys = util_ulist.ascertain_list(keys)
keys = colloc.intersect(keys, store.keys())
# get info_dict
info_dict = get_info_dict(store)
# make the df
df = pd.DataFrame([dict(v, **{'key': k}) for k, v in info_dict.iteritems()])
df = df[df['key'].isin(keys)]
if 'shape' in df.columns:
del df['shape']
if 'ncols' not in df.columns:
df['ncols'] = np.nan
if 'nrows' not in df.columns:
df['nrows'] = np.nan
# get ncols and nrows with missing
idx = df['ncols'].isnull().nonzero()[0] # ncols and nrows should both be missing when one is
for i in idx:
d = store[df['key'].iloc[i]]
df['nrows'].iloc[i] = len(d)
df['ncols'].iloc[i] = len(d.columns)
# clean up and return
df = df.set_index('key')
df = df.sort_index()
df = daf_manip.reorder_columns_as(df, ['nrows', 'ncols', 'isa', 'typ', 'indexers', 'dc'])
df = df.replace(to_replace=np.nan, value='')
if info:
if isinstance(info, dict):
# add as many columns as there are keys in dict, using the values of the dict as functions applied to
# the whole stored dataframe to get the column value
df = pd.concat([df, pd.DataFrame(columns=info.keys(), index=df.index)], axis=1)
for key in df.index.values:
key_data = store[key]
for k, v in info.iteritems():
df[k].loc[key] = v(key_data)
elif np.all(map(lambda x: isinstance(x, basestring), info)):
df = daf_manip.filter_columns(df, info)
else:
raise ValueError('Unrecognized info format')
# filter cols
if cols:
df = daf_manip.filter_columns(df, cols)
return df
def get_data_with_tags(self, *args, **kwargs):
if len(args) > 0 and isinstance(args[0], Cursor):
c = args[0]
else:
c = self.mgc.find(*args, **kwargs)
d = list()
for ci in c:
for seg in ci['segments']:
dd = {'path': ci[self.path_field], 'tags': ci[self.tag_field]}
dd.update(seg['fv'])
dd.update({
'offset_s': seg['offset_s'],
'duration': seg['duration']
})
d += [dd]
d = reorder_columns_as(pd.DataFrame(d),
['path', 'tags', 'offset_s', 'duration'])
return d
def get_data_with_kv_tags(self, *args, **kwargs):
if 'kv_tag_keys' in kwargs.keys():
kv_tag_keys = kwargs.get('kv_tag_keys')
kwargs.pop('kv_tag_keys')
else:
kv_tag_keys = ['move_direction', 'vehicle_type']
if len(args) > 0 and isinstance(args[0], Cursor):
c = args[0]
else:
c = self.mgc.find(*args, **kwargs)
d = list()
for ci in c:
for seg in ci[self.segment_field]:
dd = {'path': ci[self.path_field]}
for tag_key in kv_tag_keys:
dd.update({tag_key: ci[self.kv_tag_field].get(tag_key, None)})
dd.update(seg['fv'])
dd.update({'offset_s': seg['offset_s'], 'duration': seg['duration']})
d += [dd]
d = reorder_columns_as(pd.DataFrame(d), ['path'] + kv_tag_keys + ['offset_s', 'duration'])
return d
def test_classifiers(
X,
y,
scoring=default_scorers,
score_aggreg=default_score_aggreg,
n_features=7, # an int will be transformed to a list (with different num of features) of given size
clfs=None,
nfolds=10,
scale=None,
decompose=None,
select=None,
decompose_params={},
print_progress=False,
score_to_plot=None):
"""
tests and scores (given by SCORING and SCORE_AGGREG) several classifiers (given by clfs) with several number of
features, returning a pandas DataFrame of the results.
"""
scoring = scoring or default_scorers
score_aggreg = score_aggreg or default_score_aggreg
if isinstance(
n_features, int
): # if n_features is an int, it's the number of different feature set lens to try out
# ... so make this feature set len list
total_n_features = np.shape(X)[1]
n_features = range(1, total_n_features + 1,
int(np.floor(total_n_features /
n_features)))[:n_features]
y = np.asarray(y, dtype="|S6")
n_features = np.array(n_features)
if clfs is None:
clfs = default_classifiers
clfs = clfs_to_dict_clfs(clfs)
general_info_dict = dict()
if scale is not None and scale is not False: # preprocessing.StandardScaler(), preprocessing.MinMaxScaler()
if scale is True:
scale = preprocessing.StandardScaler()
general_info_dict['scale'] = get_name(scale)
if decompose is not None and decompose is not False:
if decompose is True:
decompose = decomposition.PCA(
**decompose_params
) # PCA, KernelPCA, ProbabilisticPCA, RandomizedPCA, TruncatedSVD
general_info_dict['decompose'] = get_name(decompose)
clf_results = list()
for i_nfeats, nfeats in enumerate(n_features):
for i_clf, clf in enumerate(clfs):
clf_name = clf.keys()[0]
clf = clf[clf_name]
d = dict(general_info_dict, **{
'model': clf_name,
'nfeats': nfeats
})
if print_progress:
printProgress("{}: nfeats={}, nfolds={}".format(
clf_name, n_features[i_nfeats], nfolds))
# try:
start_time = datetime.now()
score_result = \
score_classifier(X,
y,
clf=clf,
nfeats=nfeats,
scoring=scoring,
score_aggreg=score_aggreg,
nfolds=nfolds,
scale=scale,
decompose=decompose,
select=select,
decompose_params=decompose_params)
d.update(
{'seconds': (datetime.now() - start_time).total_seconds()})
d.update(score_result.to_dict())
# except ValueError as e:
# raise e
# print("Error with: {} ({} features)".format(get_name(clf),
# n_features[i_nfeats]))
clf_results.append(d) # accumulate results
clf_results = pd.DataFrame(clf_results)
if score_to_plot:
if score_to_plot is True:
score_to_plot = mk_aggreg_score_name(
score_aggreg_name=mk_score_aggreg_dict(score_aggreg).keys()[0],
score_name=mk_scoring_dict(scoring).keys()[0])
plot_score(clf_results, score_to_plot)
return reorder_columns_as(clf_results, ['model', 'nfeats', 'seconds'])
def order_vars(self, var_list, sort_pts=True):
self.tb = reorder_columns_as(self.tb, ascertain_list(var_list))
if sort_pts:
self.sort_pts()
return self
def test_classifiers(X, y,
scoring=default_scorers,
score_aggreg=default_score_aggreg,
n_features=7, # an int will be transformed to a list (with different num of features) of given size
clfs=None,
nfolds=10,
scale=None,
decompose=None,
select=None,
decompose_params={},
print_progress=False,
score_to_plot=None
):
"""
tests and scores (given by SCORING and SCORE_AGGREG) several classifiers (given by clfs) with several number of
features, returning a pandas DataFrame of the results.
"""
scoring = scoring or default_scorers
score_aggreg = score_aggreg or default_score_aggreg
if isinstance(n_features, int): # if n_features is an int, it's the number of different feature set lens to try out
# ... so make this feature set len list
total_n_features = np.shape(X)[1]
n_features = range(1, total_n_features + 1, np.floor(total_n_features / n_features))[:n_features]
y = np.asarray(y, dtype="|S6")
n_features = np.array(n_features)
if clfs is None:
clfs = default_classifiers
clfs = clfs_to_dict_clfs(clfs)
general_info_dict = dict()
if scale is not None and scale is not False: # preprocessing.StandardScaler(), preprocessing.MinMaxScaler()
if scale is True:
scale = preprocessing.StandardScaler()
general_info_dict['scale'] = get_name(scale)
if decompose is not None and decompose is not False:
if decompose is True:
decompose = decomposition.PCA(**decompose_params) # PCA, KernelPCA, ProbabilisticPCA, RandomizedPCA, TruncatedSVD
general_info_dict['decompose'] = get_name(decompose)
clf_results = list()
for i_nfeats, nfeats in enumerate(n_features):
for i_clf, clf in enumerate(clfs):
clf_name = clf.keys()[0]
clf = clf[clf_name]
d = dict(general_info_dict, **{'model': clf_name, 'nfeats': nfeats})
if print_progress:
printProgress("{}: nfeats={}, nfolds={}".format(
clf_name,
n_features[i_nfeats],
nfolds))
# try:
start_time = datetime.now()
score_result = \
score_classifier(X,
y,
clf=clf,
nfeats=nfeats,
scoring=scoring,
score_aggreg=score_aggreg,
nfolds=nfolds,
scale=scale,
decompose=decompose,
select=select,
decompose_params=decompose_params)
d.update({'seconds': (datetime.now() - start_time).total_seconds()})
d.update(score_result.to_dict())
# except ValueError as e:
# raise e
# print("Error with: {} ({} features)".format(get_name(clf),
# n_features[i_nfeats]))
clf_results.append(d) # accumulate results
clf_results = pd.DataFrame(clf_results)
if score_to_plot:
if score_to_plot is True:
score_to_plot = mk_aggreg_score_name(score_aggreg_name=mk_score_aggreg_dict(score_aggreg).keys()[0],
score_name=mk_scoring_dict(scoring).keys()[0])
plot_score(clf_results, score_to_plot)
return reorder_columns_as(clf_results, ['model', 'nfeats', 'seconds'])
def order_cols(self, df):
return daf_manip.reorder_columns_as(df, self.col_order_01)
def order_vars(self, var_list, sort_pts=True):
self.tb = reorder_columns_as(self.tb, ascertain_list(var_list))
if sort_pts:
self.sort_pts()
return self