making the first row a header in a dataframe in r -


i've seen asked here: create header of dataframe first row in data frame

and here: assign headers based on existing row in dataframe in r

and solutions offered don't work me.

when transpose dataframe (p1), header of df.transpose (p1t) new , annoying. , first row of p1t use header, tried:

    colnames(p1t) = p1t[1, ]

and doesn't work!

here how original df appears:

    file fp1.pd_shortsoa_fam fp1.pd_longsoa_fam fp1.pd_shortsoa_semplus_real fp1.pd_shortsoa_semplus_fict     sub0001            0,446222          2,524,804            0,272959                    1,281,349     sub0002           1,032,688          2,671,048           1,033,278                    1,217,817

and here how transpose appears:

    row.names                            v1         v2     file                            sub0001    sub0002     fp1.pd_shortsoa_fam            0,446222  1,032,688     fp1.pd_longsoa_fam            2,524,804  2,671,048     fp1.pd_shortsoa_semplus_real   0,272959  1,033,278     fp1.pd_shortsoa_semplus_fict  1,281,349  1,217,817     fp1.pd_shortsoa_semminus_real  0,142739  1,405,100     fp1.pd_shortsoa_semminus_fict 1,515,577 -1,990,458

how can make "file", "sub0001","sub0002" etc... header?

thanks!

works me (with little trick).

x <- read.table(text = "file fp1.pd_shortsoa_fam fp1.pd_longsoa_fam fp1.pd_shortsoa_semplus_real fp1.pd_shortsoa_semplus_fict     sub0001            0,446222          2,524,804            0,272959                    1,281,349     sub0002           1,032,688          2,671,048           1,033,278                    1,217,817",                 header = true)  x <- t(x) colnames(x) <- x[1, ] x <- x[-1, ] x                               sub0001     sub0002     fp1.pd_shortsoa_fam          "0,446222"  "1,032,688" fp1.pd_longsoa_fam           "2,524,804" "2,671,048" fp1.pd_shortsoa_semplus_real "0,272959"  "1,033,278" fp1.pd_shortsoa_semplus_fict "1,281,349" "1,217,817"

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