--spearman

Switch

--spearman

Description

Returns Spearman correlation instead of Pearson R

Argument and Default Value

No argument. Boolean switch, default: False (Pearson).

Details

Applies to --correlate and anywhere else a correlation metric is chosen (see --IDP for the full metric priority order). Spearman is a rank correlation, so it is less sensitive to outliers and non-linear (but monotonic) relationships than Pearson R.

Other Switches

Required Switches: --correlate Optional Switches: None

Example Commands

Using the packaged dla_tutorial dataset (see Differential Language Analysis (DLA) Tutorial):

dlatkInterface.py -d dla_tutorial -t msgs -c user_id -f 'feat$cat_met_a30_2000_cp_w$msgs$user_id$16to16' \
--group_freq_thresh 500 --outcome_table blog_outcomes --outcomes age \
--outcome_controls gender is_student is_education \
--correlate --spearman --rmatrix --topic_tagcloud --topic_lexicon met_a30_2000_freq_t50ll \
--make_topic_wordclouds --p_correction simes --sort --tagcloud_colorscheme blue --output_name ./output