def plot_coefficients(self, submodel=-2, exclude_constant=True, eqidx=0, plot=True,
store_values_to_file=None):
""" Plot a barchart of coefficient values. This can be used in a regression model,
when coefficients are standardized
(i.e. using the estimation module opus_core.estimate_linear_regression_standardized).
store_values_to_file can be a file name where the values are stored.
"""
coef = self.get_coefficients(submodel)
values = coef.get_coefficient_values()
names = coef.get_coefficient_names()
sd = coef.get_standard_errors()
idx=ones(names.shape[1], dtype="bool")
if exclude_constant:
pos = coef.get_constants_positions()
if pos.size > 0:
idx[pos]=0
if store_values_to_file is not None:
n = idx.sum()
result = concatenate((reshape(names[eqidx, idx], (n,1)),
reshape(values[eqidx, idx], (n,1)),
reshape(sd[eqidx, idx], (n,1))), axis=1)
write_to_text_file(store_values_to_file, array(['coefficient_name', 'estimate', 'standard_error']),
delimiter='\t')
write_table_to_text_file(store_values_to_file, result, delimiter='\t', mode='a')
if plot:
plot_barchart(values[eqidx, idx], labels = names[eqidx, idx], errors=sd[eqidx, idx])
else:
return {'names': names[eqidx, idx], 'values': values[eqidx, idx], 'errors': sd[eqidx, idx]}
def plot_coefficients(self, submodel=-2, exclude_constant=True, eqidx=0, plot=True,
store_values_to_file=None):
""" Plot a barchart of coefficient values. This can be used in a regression model,
when coefficients are standardized
(i.e. using the estimation module opus_core.estimate_linear_regression_standardized).
store_values_to_file can be a file name where the values are stored.
"""
coef = self.get_coefficients(submodel)
values = coef.get_coefficient_values()
names = coef.get_coefficient_names()
sd = coef.get_standard_errors()
idx=ones(names.shape[1], dtype="bool")
if exclude_constant:
pos = coef.get_constants_positions()
if pos.size > 0:
idx[pos]=0
if store_values_to_file is not None:
n = idx.sum()
result = concatenate((reshape(names[eqidx, idx], (n,1)),
reshape(values[eqidx, idx], (n,1)),
reshape(sd[eqidx, idx], (n,1))), axis=1)
write_to_text_file(store_values_to_file, array(['coefficient_name', 'estimate', 'standard_error']),
delimiter='\t')
write_table_to_text_file(store_values_to_file, result, delimiter='\t', mode='a')
if plot:
plot_barchart(values[eqidx, idx], labels = names[eqidx, idx], errors=sd[eqidx, idx])
else:
return {'names': names[eqidx, idx], 'values': values[eqidx, idx], 'errors': sd[eqidx, idx]}
def plot_utility_diagnose(filename):
from opus_core.plot_functions import plot_barchart
data, coef_names = load_table_from_text_file(filename,
convert_to_float=True,
header=True)
plot_barchart(data[2, :], labels=coef_names)
def plot_utility_diagnose(filename):
from opus_core.plot_functions import plot_barchart
data, coef_names = load_table_from_text_file(filename, convert_to_float=True, header=True)
plot_barchart(data[2,:], labels = coef_names)