r - Conditional formatting FlexTable -

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i looking way conditionally format flextable reporters using percentage figures. below small example.

packs <- list("reporters","scales") lapply(packs,require,character.only = true)  dat <- cbind.data.frame(rep("abcd",2),c(0.07,0.11),c(0.03,0.01)) colnames(dat) <- c("a","b","c") dat[,2] <- percent(dat[,2])  pp = pptx() pp = addslide(pp, "title , content") datft = flextable(data = dat) cname <- c("b","c")   (i in cname) {    if (i=="b") {    datft[dat[, i] <= 10, i] = cellproperties( background.color = "green" )    datft[dat[, i] > 10, i] = cellproperties( background.color = "red" )    } else if (i=="c") {    datft[dat[, i] <= 0.02, i] = cellproperties( background.color = "green" )    datft[dat[, i] > 0.02, i] = cellproperties( background.color = "red" )       } } pp = addflextable(pp, datft) writedoc(pp, paste(getwd(),"/example.pptx",sep=""))

this works fine column c not column b, it's not numeric. couldn't figure out way apply function formats values percentage figures after backgroundcolor changed.

try (with explanation in comment after testing):

for (i in cname) {    if (i=="b") {    datft[as.numeric( sub("%", "", dat[, i])) <= 10, i] = cellproperties( background.color = "green" )    datft[ as.numeric( sub("%", "", dat[, i])) > 10, i] = cellproperties( background.color = "red" )    } else if (i=="c") {    datft[dat[, i] <= 0.02, i] = cellproperties( background.color = "green" )    datft[dat[, i] > 0.02, i] = cellproperties( background.color = "red" )       } }

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