Question: What is trace in R's heatmap.2 function?
1
gravatar for NHEJ
4.9 years ago by
NHEJ320
United States
NHEJ320 wrote:

Very simply, what is the best way to understand what the trace feature represents (which adds a line to the middle of each column when drawing a heatmap) of heatmap.2 in R?  There's practically nothing online about this (yet).

gplots rna-seq heatmap.2 trace R • 4.6k views
ADD COMMENTlink modified 4.9 years ago by Ying W3.9k • written 4.9 years ago by NHEJ320
6

Off-topic, but I really wish the trace parameter defaulted to "none".

ADD REPLYlink written 4.9 years ago by Devon Ryan92k
4

The first step to understanding a function's behaviour is to read the documentation. Have you done ?heatmap.2

ADD REPLYlink modified 4.9 years ago by Devon Ryan92k • written 4.9 years ago by David W4.7k
2

Of course..

ADD REPLYlink written 4.9 years ago by NHEJ320
And what about the documentation do you not understand?
ADD REPLYlink written 4.9 years ago by David W4.7k
0
gravatar for Ying W
4.9 years ago by
Ying W3.9k
South San Francisco, CA
Ying W3.9k wrote:

Since nobody is posting...

trace

character string indicating whether a solid "trace" line should be drawn across 'row's or down 'column's, 'both' or 'none'. The distance of the line from the center of each color-cell is proportional to the size of the measurement. Defaults to 'column'.

http://www.inside-r.org/packages/cran/gplots/docs/heatmap.2

ADD COMMENTlink written 4.9 years ago by Ying W3.9k

well, nobody posted that, because OP has stated that they've read that.

ADD REPLYlink written 4.9 years ago by russhh4.7k
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