[R] Remove specific rows from nested list of matrices

[Jeff Newmiller]

Can you supply the output of

dput(FF)

?

On November 2, 2018 8:00:08 AM PDT, Ek Esawi <esawiek using gmail.com> wrote:
>Hi All,
>
>I have a list that is made up of nested lists, as shown below. I want
>to remove all rows in each sub-list that start with an empty space,
>that’s the first entry of a row is blank; for example, on
>[[1]][[1]][[1]] Remove row 4,on [[1]][[1]][[3]] remove row 5, on
>[[1]][[2]][[1]] remove row 6, etc.. All rows start with 2 digits/ 2
>digits. My formula works on individual sublist but not the whole
>list.. I know my indexing is wrong, but don’t know how to fix it.
>
>
>> FF
>
>[[1]]
>[[1]][[1]]
>[[1]][[1]][[1]]
>[,1]    [,2]   [,3]    [,4] [,5]
>[1,] "30/20"   "AAAAAAAA" “    “   "-89"
>[2,] "02/20"   "AAAAAAAA” “    “   "-98"
>[3,] "02/20"   “AAAAAAA” “    “   "-84"
>[4,] “  “ “  “   “
>[[1]][[1]][[2]]
>[,1]    [,2]
>[1,] "02/23" “AAAAAAAA” : 29" “
>[2,] "02/23" “AAAAAAAA” ." “
>[3,] "02/23" “AAAAAAAA” " “
>[4,] "02/23" “AAAAAAAA” "
>[[1]][[1]][[3]]
>[,1]    [,2]    [,3] [,4] [,5] [,6] [,7]
>[1,] "01/09" “AAAAAAAA"    “   “   “   "53"
>[2,] "01/09" “AAAAAAAA” "   “   “   “   "403"
>[3,] "01/09" “AAAAAAAA” "   “   “   “   "83"
>[4,] "01/09" “AAAAAAAA” "   “   “   “   "783"
>[5,] “  “  “AAAAAAAA”  3042742181"   “   “   “   “
>[[1]][[2]]
>[[1]][[2]][[1]]
>[,1]  [,2] [,3] [,4] [,5]
>[1,] “    “   “   “   “AAAAAAAA” "
>[2,] "Standard Purchases"  “   “   “   "
>[3,] "24/90 "AAAAAAAA” “   "243"  "
>[4,] "24/90 "AAAAAAAA” "   "143"  "
>[5,] "24/91 "AAAAAAAA” " “   "143" “
>[6,] “    “   “   “   "792"
>[[1]][[2]][[2]]
>[,1]    [,2]
>[1,] "02/23" “AAAAAAAA”: 31" “
>[2,] "02/23" “AAAAAAAA”." “
>[3,] "02/23" “AAAAAAAA” " “
>[4,] "02/23" “AAAAAAAA”
>[5,] "02/23" “AAAAAAAA”
>[6,] "02/23" “AAAAAAAA” 20"
>[7,] "02/23" “AAAAAAAA”  “
>[8,] "02/23" “AAAAAAAA” "33"
>[[1]][[3]]
>[[1]][[3]][[1]]
>[,1]    [,2]
>[1,] "02/23" “AAAAAAAA”: 28" “
>[2,] "02/23" “AAAAAAAA”." “
>[3,] "02/23" “AAAAAAAA” " “
>[4,] "02/23" “AAAAAAAA” "
>[[1]][[3]][[2]]
>[,1]    [,2]    [,3]    [,4] [,5] [,6] [,7]    [,8]    [,9]
>[1,] "02/23" “AAAAAAAA” " “   “   "53" "
>[2,] "02/24" “AAAAAAAA” " “   “   "
>[3,] “  “  “  “   “   “   “  “  "1,241"
>[4,] "02/24" "AAAAAAAA”  “   "33”
>
>My Formula,:
>
>G <- lapply(FF, function(x) lapply(x, function (y) lapply(y,
>function(z)  z[grepl("^[0-9][0-9]/",z[,1]),])))
>
>The error: Error in z[, 1] : incorrect number of dimensions
>
>
>
>Thanks in advance--EK
>
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-- 
Sent from my phone. Please excuse my brevity.