200 lines
No EOL
8.1 KiB
Python
200 lines
No EOL
8.1 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Created on Thu Mar 24 15:01:59 2022
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@author: tanu
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"""
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import sys, os
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import pandas as pd
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import numpy as np
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from statistics import mean, median, mode
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from statistics import multimode
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from collections import Counter
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#import math
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# https://stackoverflow.com/questions/43321455/pandas-count-null-values-in-a-groupby-function
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# https://stackoverflow.com/questions/33457191/python-pandas-dataframe-fill-nans-with-a-conditional-mean
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# round up
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#int(math.ceil(mean(foo)))
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#https://stackoverflow.com/questions/33457191/python-pandas-dataframe-fill-nans-with-a-conditional-mean
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#%% Read data and formatting
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drug = "pyrazinamide"
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data = pd.read_csv("/home/tanu/git/ML_AI_training/test_data/sample_data.csv")
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data.columns
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# COPY mutation_info_labels column
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data['mutation_info_labels_orig'] = data['mutation_info_labels']
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# Convert DM/OM labels to numeric
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dm_om_map = {'DM': 1, 'OM': 0} # pnca, OM is minority, other genes: DM is minority
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data['dm_om_numeric'] = data['mutation_info_labels'].map(dm_om_map)
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# sanity check
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data['dm_om_numeric'].value_counts()
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data['mutation_info_labels'].value_counts()
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# Convert drtype column to numeric
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drtype_map = {'XDR': 5
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, 'Pre-XDR': 4
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, 'MDR': 3
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, 'Pre-MDR': 2
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, 'Other': 1
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, 'Sensitive': 0}
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data['drtype_numeric'] = data['drtype'].map(drtype_map)
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# COPY dst column
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data['dst'] = data[drug] # to allow cross checking
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data['dst_multimode'] = data[drug]
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# sanity check
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data[drug].value_counts()
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data['dst_multimode'].value_counts()
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data[drug].isnull().sum()
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data['dst_multimode'].isnull().sum()
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data['mutationinformation'].value_counts()
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#data.C.isnull().groupby([df['A'],df['B']]).sum().astype(int).reset_index(name='count')
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data[drug].isnull().groupby(data['mutationinformation']).sum()
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# GOAL is to populate na in the dst column from the count of the dm_om_numeric column
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data['dst_multimode'].isnull().groupby(data['mutationinformation']).sum()
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# COPY mutationinformation for sanity check
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data['mutation'] = data['mutationinformation']
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#%% POC: fill na with mean/mode/median/max for each mutation
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# STAGE 1: replace mean with Max(multimode), atm it is MEAN
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#na_val = data.groupby(data['mutationinformation'])['dst'].mean()
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data['dst_multimode'].fillna(data.groupby('mutationinformation')['dst_multimode'].transform('mean'))
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data['dst_multimode'].fillna(data.groupby('mutationinformation')['dm_om_numeric'].transform('mean'))
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# STAGE 2: Fill TRUE nan with DM.OM column value, atm it is MEAN
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#data['dst_mean_check'] = data['dst'].fillna(data.groupby('mutationinformation')['dst'].transform('mean'))
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#data['dst_mean_check'] = data['dst'].fillna(data.groupby('mutationinformation')['dm_om_numeric'].transform('mean'))
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#%% POC continued: Test getting mode
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#data.groupby('mutationinformation')['dm_om_numeric'].mode()
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data.groupby('mutationinformation')['dm_om_numeric'].agg(mode)
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data.groupby('mutationinformation')['dm_om_numeric'].agg(multimode)
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foo = data.groupby('mutationinformation')['dm_om_numeric'].agg(multimode)
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foo
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foo = foo.to_frame()
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foo['dm_om_numeric'].apply(lambda x: max(x))# returns nan
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foo['dm_om_numeric'].apply(lambda x: np.nanmax(x))
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#foo.assign(dst_mode = lambda x: (x['dst']))
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foo['multimode_extract'] = foo['dm_om_numeric'].apply(lambda x: max(x))
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foo['multimode_extract']
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#%% Recalculating columns [dst, drtype and mutation_info_labels]: SET Index as 'mutationinformation'
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data2 = data.copy()
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# Reset index as it allows the groupby expression to directly map
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data2 = data2.set_index(['mutationinformation'])
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#%% Recalculating dst: my data
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#------------------------------
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# Revised dst: max(multimode)
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#------------------------------
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# For each mutation, generate the revised dst which is the mode of dm_om_numeric
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# PROBLEM: Returns the smallest of the two when bimodal, and fails when all equally likely
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# SOLUTION: Using max of the 'dst_noNA' column
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#data2.groupby('mutationinformation')['dm_om_numeric'].agg(multimode)
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# Get multimode for dm_om_numeric column
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dm_om_multimode = data2.groupby('mutationinformation')['dm_om_numeric'].agg(multimode)
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#dm_om_multimode
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# Fill using multimode ONLY where NA in dst_multimode column
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#data2['dst_multimode'] = data2['dst_multimode'].fillna(dm_om_multimode)
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data2['dst_multimode'] = data2['dst_multimode'].fillna(dm_om_multimode)
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# data2['dst_multimode']
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# Now get the max from multimode
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data2['dst_noNA'] = data2['dst_multimode'].apply(lambda x: np.nanmax(x))
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print(data2)
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# Finally created a revised dst with the max from the multimode
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data2['dst_mode'] = data2.groupby('mutationinformation')['dst_noNA'].max()
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#==============================================================================
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#%% Recalculating drtype: my data
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#--------------------------------
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# drtype: ALL values:
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# numeric and names in an array
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#--------------------------------
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data2['drtype_all_vals'] = data2['drtype_numeric']
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data2['drtype_all_names'] = data2['drtype']
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# example: https://stackoverflow.com/questions/55125680/pandas-get-all-groupby-values-in-an-array
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# print(df.groupby('key').data.apply(list).reset_index()) # my use case, don't need the reset_index()
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data2['drtype_all_vals'] = data2.groupby('mutationinformation').drtype_all_vals.apply(list)
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data2['drtype_all_names'] = data2.groupby('mutationinformation').drtype_all_names.apply(list)
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#---------------------------------
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# Revised drtype: max(Multimode)
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#--------------------------------
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data2['drtype_multimode'] = data2.groupby(['mutationinformation'])['drtype_numeric'].agg(multimode)
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data2['drtype_multimode']
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# Now get the max from multimode
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data2['drtype_mode'] = data2['drtype_multimode'].apply(lambda x: np.nanmax(x))
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data2.head()
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#----------------------
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# Revised drtype: Max
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#----------------------
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data2.head()
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data2['drtype_max'] = data2.groupby(['mutationinformation'])['drtype_numeric'].max()
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#data2 = data2.reset_index()
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data2.head()
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#%% Finally reset index
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data2 = data2.reset_index()
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#==============================================================================
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#---------------------------------------
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# Create revised mutation_info_column
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#---------------------------------------
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data2['dst_mode'].value_counts()
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data2[drug].value_counts()
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# note this is overriding, since downstream depends on it
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# make a copy you if you need to keep that
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data2['mutation_info_labels_orig'] = data2['mutation_info_labels']
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data2['mutation_info_labels'] = data2['dst_mode'].map({1: 'DM'
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, 0: 'OM'})
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data2['mutation_info_labels_orig'].value_counts()
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data2['mutation_info_labels'].value_counts()
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#==============================================================================
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# sanity check
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if (all(data2['mutation'] == data2['mutationinformation'])):
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print('\nPass: Mutationinformation check successful')
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else:
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sys.exit('\nERROR: mutationin cross checks failed. Please check your group_by() aggregate functions')
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# Drop mutation column
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data2.drop(['mutation'], axis=1, inplace=True)
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#%% Process lineage info
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# add how many different lineages a sample is represented in?
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# https://stackoverflow.com/questions/37189878/pandas-add-column-to-groupby-dataframe
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# https://stackoverflow.com/questions/43847520/how-to-get-the-distinct-count-of-values-in-a-python-pandas-dataframe
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data2.groupby('mutationinformation')['lineage'].size() # sample count
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data2.groupby('mutationinformation')['sample'].size()
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data2.groupby('mutationinformation')['lineage'].value_counts()
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data2.groupby('mutationinformation')['lineage'].nunique()
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data2['lin_count'] = data2['mutationinformation'].map(data2.groupby('mutationinformation')['lineage'].nunique())
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#%% subset: equivalent of merged_df3?
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# https://stackoverflow.com/questions/39900061/sort-lists-in-a-pandas-dataframe-column
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# result = data2['dst_multimode'].sort_values().apply(lambda x: sorted(x))
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# newdf = pd.DataFrame({'dst_multimode': Series(list(set(result['a'].apply(tuple))))})
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# newdf.sort_values(by='a')
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# data2['dst_multimode'].value_counts()
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# data2.sort_values(['dst_multimode'], ascending=False)
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#data_df3 = data2.drop_duplicates(['mutationinformation'])
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#data_df3_v2 = data2.drop_duplicates(['mutationinformation'])
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#all(data_df3 == data_df3_v2)
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#%% |