Is there a Social Security Number reserved for testing/examples?

There are multiple number groups and some particular numbers that will never be allocated: Numbers with all zeros in any digit group (000-xx-####, ###-00-####, ###-xx-0000). Numbers with an area group (first three digits) of 666 or any of 900-999. Numbers that have been misused in any way, such as the well known 078-05-1120. Consider using … Read more

Parameter “stratify” from method “train_test_split” (scikit Learn)

This stratify parameter makes a split so that the proportion of values in the sample produced will be the same as the proportion of values provided to parameter stratify. For example, if variable y is a binary categorical variable with values 0 and 1 and there are 25% of zeros and 75% of ones, stratify=y … Read more

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