Grouping columns together in R formattable -


apologies if question trivial, formattable documentation has me confused on issue.

my data take shape of:

source <- c("c", "p") name <- c("name1", "name2") n <- c(1234567, 4567890) <- c(12345, 67890) ratea <- / n  deltaa <- c(na, (ratea[1] / ratea[2]) - 1)  df <- data.frame(source, name, n, a, ratea, deltaa) df    source  name       n        ratea  deltaa 1      c name1 1234567 12345 0.009999      na 2      p name2 4567890 67890 0.014862 -0.3272

there many more columns in actual data, repeating {a, ratea, deltaa} structure several more letters in alphabet. issue grouping columns in formattable command. is:

for {source, name} -> no format change {n, a} -> comma format no digits after decimal {ratea, deltaa} -> percentages 2 digits after decimal (i.e., first value in ratea "0.99%")

but, grouping columns not easy i'd like. based on formattable documentation tried

result <- formattable(df, list(   area(col = c(n, a)) ~ comma(digits = 0),   area(col = c(ratea, deltaa)) ~ percent(digits = 2) ))

but error. how group of columns want in comma format vs columns want in percent format? na value in "delta" column messing me up?


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