use first row data as column names in r

Question

I have a dirty dataset that I could not read it with header = T. After I read and clean it, I would like to use the now first row data as the column name. I tri

Answer 1

Using data.table:

library(data.table)

namex <-c("col1","col2","col3","col4")
row1 <- c(2, 4, 5, 56)
row2 <- c(74, 73, 3, 534)
row3 <- c(865, 768, 8, 7)
row4 <- c(68, 58, 65, 87)

t1 <- data.table(namex, row1, row2, row3, row4)
t1 <- data.table(t(t1))

setnames(t1, as.character(t1[1,]))
t1 <- t1[-1,]