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meta_regression_wizard.py
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meta_regression_wizard.py
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from PyQt4 import QtCore, QtGui
from PyQt4.Qt import *
from ome_globals import *
from common_wizard_pages.choose_effect_size_page import ChooseEffectSizePage
from common_wizard_pages.data_location_page import DataLocationPage
from common_wizard_pages.refine_studies_page import RefineStudiesPage
from common_wizard_pages.select_covariates_page import SelectCovariatesPage
from common_wizard_pages.reference_value_page import ReferenceValuePage
from common_wizard_pages.meta_regression_details_page import MetaRegDetailsPage
from common_wizard_pages.summary_page import SummaryPage
from common_wizard_pages.meta_reg_cond_means_page import CondMeansPage
from common_wizard_pages.bootstrap_page import BootstrapPage
(Page_ChooseEffectSize, Page_DataLocation, Page_RefineStudies,
Page_MetaRegDetails, Page_SelectCovariates, Page_ReferenceValues,
Page_Bootstrap, Page_Summary, Page_CondMeans) = range(9)
class MetaRegressionWizard(QtGui.QWizard):
def __init__(self, model, parent=None):
super(MetaRegressionWizard, self).__init__(parent)
self.model = model
last_analysis=model.get_last_analysis_selections()
self.analysis_label = "Meta-Regression"
self.setWindowTitle(self.analysis_label)
self.setup_pages(model=model, last_analysis=last_analysis)
self.setWizardStyle(QWizard.ClassicStyle)
# Automatically resize wizard on each page flip
self.currentIdChanged.connect(self._change_size)
def _change_size(self, pageid):
print("changing size")
self.adjustSize()
def setup_pages(self, model, last_analysis):
self.choose_effect_size_page = ChooseEffectSizePage(add_generic_effect=True,
data_type=last_analysis['data_type'],
metric=last_analysis['metric'],
var_groups = model.get_variable_groups())
self.setPage(Page_ChooseEffectSize, self.choose_effect_size_page)
self.data_location_page = DataLocationPage(model=model)
self.setPage(Page_DataLocation, self.data_location_page)
self.refine_studies_page = RefineStudiesPage(model=model)
self.setPage(Page_RefineStudies, self.refine_studies_page)
self.meta_reg_details_page = MetaRegDetailsPage(
fixed_effects=last_analysis['fixed_effects'],
random_effects_method = last_analysis['random_effects_method'],
analysis_type=last_analysis['analysis_type'], # PARAMETRIC or BOOTSTRAP
conf_level=last_analysis['conf_level'],
phylogen=last_analysis['phylogen'])
self.setPage(Page_MetaRegDetails, self.meta_reg_details_page)
self.select_covariates_page = SelectCovariatesPage(
model=model,
previously_included_covs=last_analysis['included_covariates'])
self.setPage(Page_SelectCovariates, self.select_covariates_page)
self.reference_value_page = ReferenceValuePage(
model=model,
prev_cov_to_ref_level=last_analysis['cov_2_ref_values'])
self.setPage(Page_ReferenceValues, self.reference_value_page)
self.summary_page = SummaryPage()
self.setPage(Page_Summary, self.summary_page)
# weird stuff
self.cond_means_pg = CondMeansPage(model=model)
self.setPage(Page_CondMeans, self.cond_means_pg)
self.bootstrap_page = BootstrapPage(model=model)
self.setPage(Page_Bootstrap, self.bootstrap_page)
def _require_categorical(self):
return self.meta_reg_details_page.get_output_type() == CONDITIONAL_MEANS
def nextId(self):
current_id = self.currentId()
return self.nextId_helper(current_id)
def nextId_helper(self, page_id):
if page_id in [Page_MetaRegDetails, Page_Bootstrap, Page_ReferenceValues]:
analysis_type = self.get_analysis_type() # PARAMETRIC or BOOTSTRAP
output_type = self.get_output_type() # NORMAL or CONDITIONAL_MEANS
if page_id == Page_ChooseEffectSize:
return Page_DataLocation
elif page_id == Page_DataLocation:
return Page_RefineStudies
elif page_id == Page_RefineStudies:
return Page_SelectCovariates
elif page_id == Page_SelectCovariates:
return Page_MetaRegDetails
elif page_id == Page_MetaRegDetails:
if self._categorical_covariates_selected():
return Page_ReferenceValues
else:
if analysis_type == BOOTSTRAP:
return Page_Bootstrap
elif output_type == CONDITIONAL_MEANS:
return Page_CondMeans
else:
return Page_Summary
elif page_id == Page_Bootstrap:
if output_type == CONDITIONAL_MEANS:
return Page_CondMeans
else:
return Page_Summary
elif page_id == Page_CondMeans:
return Page_Summary
elif page_id == Page_ReferenceValues:
if analysis_type == BOOTSTRAP:
return Page_Bootstrap
elif output_type == CONDITIONAL_MEANS:
return Page_CondMeans
else:
return Page_Summary
elif page_id == Page_Summary:
return -1
def _categorical_covariates_selected(self):
'''are categorical variables selected?'''
included_covariates = self.get_included_covariates()
categorical_covariates = [cov for cov in included_covariates if cov.get_type()==CATEGORICAL]
return len(categorical_covariates) > 0
################ Getters to get data from wizard #########################
# Effect Size Page
def get_data_type_and_metric(self):
''' returns tuple (data_type, metric) '''
return self.choose_effect_size_page.get_data_type_and_metric()
# Data location page
def get_data_location(self):
return self.data_location_page.get_data_locations()
# Refine studies page
def get_included_studies_in_proper_order(self):
all_studies = self.model.get_studies_in_current_order()
included_studies = self.refine_studies_page.get_included_studies()
included_studies_in_order = [study for study in all_studies if study in included_studies]
return included_studies_in_order
# Select covariates Page
def get_included_covariates(self):
return self.select_covariates_page.get_included_covariates()
def get_included_interactions(self):
return self.select_covariates_page.get_interactions()
# Meta regression details page
def using_fixed_effects(self):
return self.meta_reg_details_page.get_using_fixed_effects()
def get_conf_level(self):
return self.meta_reg_details_page.get_confidence_level()
def get_random_effects_method(self):
return self.meta_reg_details_page.get_random_effects_method()
def get_phylogen(self):
return self.meta_reg_details_page.get_phylogen()
def get_analysis_type(self): # NORMAL or BOOTSTRAP
return self.meta_reg_details_page.get_analysis_type()
def get_output_type(self): # PARAMETRIC or CONDITIONAL_MEANS
return self.meta_reg_details_page.get_output_type()
def get_btt(self): # (a var or interaction, None, 'covariate', 'interaction' i.e. the type)
return self.meta_reg_details_page.get_btt()
# Reference Values page
def get_covariate_reference_levels(self):
return self.reference_value_page.get_covariate_reference_levels()
# Conditional Means page
def get_meta_reg_cond_means_info(self):
# returns a tuple (cat. cov to stratify over, the values for the other covariates)
return self.cond_means_pg.get_meta_reg_cond_means_data()
# Bootstrap page
def get_bootstrap_params(self):
return self.bootstrap_page.get_bootstrap_params()
# Summary page
def save_selections(self):
return self.summary_page.save_selections()
######################### end of getters #################################
# Summary Page
def get_summary(self):
''' Make a summary string to show the user at the end of the wizard summarizing most of the user selections '''
summary = wizard_summary(
wizard=self,
next_id_helper=self.nextId_helper,
summary_page_id=Page_Summary,
analysis_label=self.analysis_label
)
return summary