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dmnapolitano
/ vif_example.py
Created
August 30, 2023 20:04
Variance Inflation Factor (VIF) for Feature Selection on a pandas DataFrame
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| from statsmodels.stats.outliers_influence import variance_inflation_factor | |
| import pandas as pd | |
| def _get_vif(df, features): | |
| test_df = df[features].copy() | |
| col_idx = [list(test_df.columns).index(c) for c in features] | |
| vif = pd.Series([variance_inflation_factor(test_df.values, i) for i in col_idx], index=features) | |
| return vif | |
| features_to_drop = [] |
dmnapolitano
/ int_to_roman.py
Last active
October 29, 2019 18:29
Converting integers to Roman numerals
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| def intToRoman(num: int) -> str: | |
| value_to_roman = {1 : "I", 5 : "V", 10 : "X", 50 : "L", | |
| 100 : "C", 500 : "D", 1000 : "M", | |
| 4 : "IV", 9 : "IX", 40 : "XL", | |
| 90 : "XC", 400 : "CD", 900 : "CM"} | |
| numerals = [] | |
| while num > 0: | |
| if num in value_to_roman: | |
| numerals.append(value_to_roman[num]) | |
| num -= num |