Category Archives: Data Science

Handle bimodal dataset

If you have bimodal (or higher) dataset, then calculate the mean and subtract that from the dataset and finally calculate the absolute value of it. abs(row[‘ColumnX’] – m) Or apply central limit theory and classify points for the two distributions

Posted on August 26, 2018 by GauZ in Analysis, Data Science, Python, Statistics

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Handle numpy log of smaller values or zero

Pass a condition to handle discrete or continuous values in the where param for np.log >>> import numpy as np >>> x = np.array([0, 1, 2]) >>> np.log(x) __main__:1: RuntimeWarning: divide by zero encountered in log array([ -inf, 0. , 0.69314718]) >>> >>> >>> np.log(x, where=x > 0) array([0. , 0. , 0.69314718]) >>> np.log(x, […]

Posted on August 19, 2018 by GauZ in Analysis, Data Science, Python

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