columns: return a vector of row or column indices

Description Usage Arguments Value Examples

View source: R/tally.R

Description

return a vector of row or column indices

Usage

1
2
3
columns(x, default = c())

rows(x, default = c())

Arguments

x

an object that may or may not have any rows or columns

default

what to return if there are no rows or columns

Value

if x has rows or columns, a vector of indices, else default

Examples

1
2
3
4
5
dim(iris)
columns(iris)
rows(iris)
columns(NULL)
columns("this doesn't have columns")

Example output

[1] 150   5
[1] 1 2 3 4 5
  [1]   1   2   3   4   5   6   7   8   9  10  11  12  13  14  15  16  17  18
 [19]  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36
 [37]  37  38  39  40  41  42  43  44  45  46  47  48  49  50  51  52  53  54
 [55]  55  56  57  58  59  60  61  62  63  64  65  66  67  68  69  70  71  72
 [73]  73  74  75  76  77  78  79  80  81  82  83  84  85  86  87  88  89  90
 [91]  91  92  93  94  95  96  97  98  99 100 101 102 103 104 105 106 107 108
[109] 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126
[127] 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144
[145] 145 146 147 148 149 150
NULL
NULL

mosaicCore documentation built on Jan. 16, 2021, 5:32 p.m.