LSHTM_analysis/scripts/ml/log_alr_sl.txt

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/home/tanu/git/LSHTM_analysis/scripts/ml/ml_data_sl.py:549: SettingWithCopyWarning:
A value is trying to be set on a copy of a slice from a DataFrame
See the caveats in the documentation: https://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#returning-a-view-versus-a-copy
mask_check.sort_values(by = ['ligand_distance'], ascending = True, inplace = True)
1.22.4
1.4.1
aaindex_df contains non-numerical data
Total no. of non-numerial columns: 2
Selecting numerical data only
PASS: successfully selected numerical columns only for aaindex_df
Now checking for NA in the remaining aaindex_cols
Counting aaindex_df cols with NA
ncols with NA: 4 columns
Dropping these...
Original ncols: 127
Revised df ncols: 123
Checking NA in revised df...
PASS: cols with NA successfully dropped from aaindex_df
Proceeding with combining aa_df with other features_df
PASS: ncols match
Expected ncols: 123
Got: 123
Total no. of columns in clean aa_df: 123
Proceeding to merge, expected nrows in merged_df: 271
PASS: my_features_df and aa_df successfully combined
nrows: 271
ncols: 269
count of NULL values before imputation
or_mychisq 256
log10_or_mychisq 256
dtype: int64
count of NULL values AFTER imputation
mutationinformation 0
or_rawI 0
logorI 0
dtype: int64
PASS: OR values imputed, data ready for ML
Total no. of features for aaindex: 123
No. of numerical features: 168
No. of categorical features: 7
PASS: x_features has no target variable
No. of columns for x_features: 175
Traceback (most recent call last):
File "/home/tanu/git/LSHTM_analysis/scripts/ml/./alr_sl.py", line 19, in <module>
setvars(gene,drug)
File "/home/tanu/git/LSHTM_analysis/scripts/ml/ml_data_sl.py", line 660, in setvars
X, X_bts, y, y_bts = train_test_split(x_features, y_target
File "/home/tanu/anaconda3/envs/UQ/lib/python3.9/site-packages/sklearn/model_selection/_split.py", line 2454, in train_test_split
train, test = next(cv.split(X=arrays[0], y=stratify))
File "/home/tanu/anaconda3/envs/UQ/lib/python3.9/site-packages/sklearn/model_selection/_split.py", line 1613, in split
for train, test in self._iter_indices(X, y, groups):
File "/home/tanu/anaconda3/envs/UQ/lib/python3.9/site-packages/sklearn/model_selection/_split.py", line 1953, in _iter_indices
raise ValueError(
ValueError: The least populated class in y has only 1 member, which is too few. The minimum number of groups for any class cannot be less than 2.