tacco.utils.welchttest

welchttest(df, alternative=['greater', 'less'], n_boot=0)

Perform Welch’s t test. Tests all columns.

Parameters:

• df – A table of samples as DataFrame, with groups in the rows and values in the columns. If the index is a multilevel index, the second level is interpreted as sample annotation.

• alternative –

  The alternative for the test. Can also be a list of alternatives. Available are:

  • ’greater’

  • ’less’

  • ’two-sided’

• n_boot – The number of bootstrap samples which are included in addition to the real samples.

Returns:

An DataFrame containing the enrichment p-values.