Dear R users,
I have a numeric table with 140 rows and 30 columns, here I only made partial
table, test1, as an example. I want to apply a blue color range to the value
in each cell of the data frame test1.
I found some R code using DT library. However, I only can see the colored table
at my R studio viewer window, also only show the first 10 rows. I hope to save
the colored table into a PNG file and want to modify the size of each cell, so
I can apply the code to a much bigger table with 140 rows and 30 column.
Can you help me?
Thank you very much!!
Ding
s1 <-c(0.085,0.086,0.139,0.129,0.235,0.177,0.000,0.126,0.271,0.000,0.083,0.163)
s2 <-c(0.000,0.093,0.000,0.080,0.072,0.388,0.138,0.107,0.000,0.000,0.474,0.000)
s13 <-c(0.000,0.077,0.000,0.000,0.000,0.000,0.000,0.000,0.000,0.166,0.308,0.000)
s3 <-c(0.000,0.478,0.000,0.332,0.163,0.000,0.000,0.000,0.145,0.469,0.000,0.000)
test1 <-data.frame(s1,s2,s13,s3)
row.names(test1)<c("COH_001","COH_002","COH_003","COH_004","COH_005","COH_006","COH_007","COH_008","COH_009","COH_010","COH_011","COH_012")
library(DT)
dtable1 <- datatable(test1, rownames=TRUE, options = list(lengthChange = FALSE,
dom='t'))
colRamp <- colorRamp(c("white","blue"))
for(column in names(test1)){
x <- na.omit(test1[[column]])
brks <- quantile(x, probs = seq(.05, .95, .01))
RGB <- colRamp(c(0, (brks-min(x))/(max(x)-min(x))))
clrs <- apply(RGB, 1, function(rgb){
sprintf("rgb(%s)", toString(round(rgb,0)))
})
dtable1 <- dtable1 %>%
formatStyle(column, backgroundColor = styleInterval(brks, clrs))
}
dtable1
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