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pythonpandaspearson-correlation
Young4844
Young4844

Reputation: 257

SciPy Pearsonr p-value is returning value greater than 1

I am using pearsonr to get statistical significance on some data. Below is the code I am using and also the output. The second value is the pvalue and should be between 0 and 1, so I'm confused as to how I am getting otherwise. tis is also the case on other values with very high correlations.

stats.pearsonr(dataset['Vertical Velocity'],dataset['Drop Height'])
(-0.9944267653880902, 4.500312000521201e-16)

Upvotes: 0

Views: 1101

Answers (1)

Jorge
Jorge

Reputation: 2239

This: e-16 is the representation of exponential. In this case your number is to the MINUS 16, therefore your number is between 0-1. 

4.500312000521201e-16 = 0.0000000000000004500312000521201

Upvotes: 1

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