While using pheatmap R package to draw the heatmap, I cope with this problem but I don't know how to fix it, although I have applied various ways from the internet. Here is my code:
library(multiClust)
library(preprocessCore)
library(ctc)
library(gplots)
library(dendextend)
library(graphics)
library(grDevices)
library(amap)
library(survival)
library(pheatmap)
exp_file
I just solved a similar problem that took me several hours to find a solution.
The main idea behind this "'gpar element 'fill' must not be length 0" error during the annotation is to have the EXACT SAME row names between the :test: and : annotation_col: data frames, otherwise pheatmap cannot correlate values.
Further information that helped me to proceed can be found in the following link where script and data are provided:
http://environmentalcomputing.net/heat-maps/?fbclid=IwAR2-6wdTdeK0lModZhbD_C6nNy-K5QCuSeOhYeKWxbnT_bTM47yrhC_nf8k
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