r - Revert split effect in a list -


i have list , convert data.frame 2 columns. problem length of list elements not equal, here example of how data looks:

my.list  $a1cf  [1] "a1cf"    "apobec1" "cugbp2"  "khsrp"   "syncrip" "tnpo2"    $a2ld1 [1] "a2ld1"   "prpsap2" "rpl15"   "tanc1"    $a2m [1] "a2m"      "adam19"   "adamts1"  "ambp"     "anxa6"    "apoe"

this list comes previous data.frame:

my.list <- split(df$v2, df$v1)   df       v1      v2 1   a1bg    a1bg 2   a1bg  crisp3 3   a1cf    a1cf 4   a1cf apobec1 5   a1cf  cugbp2 6   a1cf   khsrp 7   a1cf syncrip 8   a1cf   tnpo2 9  a2ld1   a2ld1 10 a2ld1 prpsap2 11 a2ld1   rpl15 12 a2ld1   tanc1 13   a2m     a2m 14   a2m  adam19 15   a2m adamts1 16   a2m    ambp 17   a2m   anxa6 18   a2m    apoe

where elements corresponding ab1g removed. revert split effect obtain same structure:

new.df a1cf    a1cf a1cf apobec1 a1cf  cugbp2 a1cf   khsrp a1cf syncrip a1cf   tnpo2 a2ld1   a2ld1 a2ld1 prpsap2 a2ld1   rpl15 a2ld1   tanc1 a2m     a2m a2m  adam19 a2m adamts1 a2m    ambp a2m   anxa6 a2m    apoe

i have tried with: df.new <- do.call(rbind, my.list), didn't work.

many thanks

using these dummy data,

ll <- list(a = letters[3:6],            b = letters[1:10],            c = letters[1:2])  stack(ll)

or

reshape2::melt(ll, id=1)

or

plyr::ldply(ll, cbind)

should give right format


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