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Statistical tests

Dolphyn comes out of the box with several statistical tests.

The statistical tests provided out of the box all originate from one of two libraries β

`scipy.stats`

or `statsmodels.tsa.stattools`

. Would you like any tests added? Contact us at [email protected].Open the

`/`

menu and search for 'stat' or type `/stat`

to filter the commands to the various statistical test blocks.Use the command window to find a list of all available statistical tests.

How to use statistical tests

All of our statistical test blocks operate on python

`arrays`

.- 1.Select the statistical test you'd like to run, and click to add the block to the page.
- 2.
- 3.If your arrays change, click the
`refresh`

button to the right of the array dropdown to re-run the test.

Statistical tests available out of the box

Dolphyn comes with several statistical tests out of the box, namely:

Test

Description

Underlying library

Test if a series is trend stationary

statsmodels.tsa.stattools

Test if a series is Gaussian

scipy.stats

Test if two series are independent

scipy.stats

Test if two categorical variables are independent

scipy.stats

Test if a series has a trend

statsmodels.tsa.stattools

Test if two independent series have a significantly different mean

scipy.stats

Test if two independent series have a significantly different mean

scipy.stats

Using the results of a statistical test further on in your analysis

After you've run a test, the output of the test is available as a python variable in the kernel. Open the variable explorer to inspect. You can access and use it further in your code blocks, or even add it to a text block.

Last modified 2mo ago