Insert NA or another replacement value for some proportion of specified columns to simulate missing data.
messy(data, prop = 0, ..., replace = NA)
| data | the tbl |
|---|---|
| prop | the proportion of data to mess up |
| ... | the columns to mess up (as a vector of column names or numbers) |
| replace | the replacement value (defaults to NA) |
the messed up table
messy(iris, 0.1, "Species", replace = "NO SPECIES")#> Sepal.Length Sepal.Width Petal.Length Petal.Width Species #> 1 5.1 3.5 1.4 0.2 setosa #> 2 4.9 3.0 1.4 0.2 setosa #> 3 4.7 3.2 1.3 0.2 setosa #> 4 4.6 3.1 1.5 0.2 setosa #> 5 5.0 3.6 1.4 0.2 setosa #> 6 5.4 3.9 1.7 0.4 NO SPECIES #> 7 4.6 3.4 1.4 0.3 setosa #> 8 5.0 3.4 1.5 0.2 setosa #> 9 4.4 2.9 1.4 0.2 setosa #> 10 4.9 3.1 1.5 0.1 NO SPECIES #> 11 5.4 3.7 1.5 0.2 setosa #> 12 4.8 3.4 1.6 0.2 setosa #> 13 4.8 3.0 1.4 0.1 setosa #> 14 4.3 3.0 1.1 0.1 setosa #> 15 5.8 4.0 1.2 0.2 setosa #> 16 5.7 4.4 1.5 0.4 setosa #> 17 5.4 3.9 1.3 0.4 setosa #> 18 5.1 3.5 1.4 0.3 NO SPECIES #> 19 5.7 3.8 1.7 0.3 setosa #> 20 5.1 3.8 1.5 0.3 setosa #> 21 5.4 3.4 1.7 0.2 setosa #> 22 5.1 3.7 1.5 0.4 setosa #> 23 4.6 3.6 1.0 0.2 setosa #> 24 5.1 3.3 1.7 0.5 setosa #> 25 4.8 3.4 1.9 0.2 setosa #> 26 5.0 3.0 1.6 0.2 setosa #> 27 5.0 3.4 1.6 0.4 setosa #> 28 5.2 3.5 1.5 0.2 setosa #> 29 5.2 3.4 1.4 0.2 setosa #> 30 4.7 3.2 1.6 0.2 setosa #> 31 4.8 3.1 1.6 0.2 setosa #> 32 5.4 3.4 1.5 0.4 setosa #> 33 5.2 4.1 1.5 0.1 setosa #> 34 5.5 4.2 1.4 0.2 setosa #> 35 4.9 3.1 1.5 0.2 setosa #> 36 5.0 3.2 1.2 0.2 setosa #> 37 5.5 3.5 1.3 0.2 setosa #> 38 4.9 3.6 1.4 0.1 setosa #> 39 4.4 3.0 1.3 0.2 setosa #> 40 5.1 3.4 1.5 0.2 setosa #> 41 5.0 3.5 1.3 0.3 setosa #> 42 4.5 2.3 1.3 0.3 setosa #> 43 4.4 3.2 1.3 0.2 NO SPECIES #> 44 5.0 3.5 1.6 0.6 setosa #> 45 5.1 3.8 1.9 0.4 NO SPECIES #> 46 4.8 3.0 1.4 0.3 setosa #> 47 5.1 3.8 1.6 0.2 setosa #> 48 4.6 3.2 1.4 0.2 setosa #> 49 5.3 3.7 1.5 0.2 setosa #> 50 5.0 3.3 1.4 0.2 setosa #> 51 7.0 3.2 4.7 1.4 versicolor #> 52 6.4 3.2 4.5 1.5 versicolor #> 53 6.9 3.1 4.9 1.5 versicolor #> 54 5.5 2.3 4.0 1.3 versicolor #> 55 6.5 2.8 4.6 1.5 versicolor #> 56 5.7 2.8 4.5 1.3 versicolor #> 57 6.3 3.3 4.7 1.6 versicolor #> 58 4.9 2.4 3.3 1.0 NO SPECIES #> 59 6.6 2.9 4.6 1.3 NO SPECIES #> 60 5.2 2.7 3.9 1.4 versicolor #> 61 5.0 2.0 3.5 1.0 versicolor #> 62 5.9 3.0 4.2 1.5 versicolor #> 63 6.0 2.2 4.0 1.0 versicolor #> 64 6.1 2.9 4.7 1.4 versicolor #> 65 5.6 2.9 3.6 1.3 versicolor #> 66 6.7 3.1 4.4 1.4 versicolor #> 67 5.6 3.0 4.5 1.5 NO SPECIES #> 68 5.8 2.7 4.1 1.0 versicolor #> 69 6.2 2.2 4.5 1.5 versicolor #> 70 5.6 2.5 3.9 1.1 versicolor #> 71 5.9 3.2 4.8 1.8 versicolor #> 72 6.1 2.8 4.0 1.3 versicolor #> 73 6.3 2.5 4.9 1.5 NO SPECIES #> 74 6.1 2.8 4.7 1.2 versicolor #> 75 6.4 2.9 4.3 1.3 versicolor #> 76 6.6 3.0 4.4 1.4 versicolor #> 77 6.8 2.8 4.8 1.4 versicolor #> 78 6.7 3.0 5.0 1.7 versicolor #> 79 6.0 2.9 4.5 1.5 versicolor #> 80 5.7 2.6 3.5 1.0 versicolor #> 81 5.5 2.4 3.8 1.1 versicolor #> 82 5.5 2.4 3.7 1.0 versicolor #> 83 5.8 2.7 3.9 1.2 versicolor #> 84 6.0 2.7 5.1 1.6 versicolor #> 85 5.4 3.0 4.5 1.5 versicolor #> 86 6.0 3.4 4.5 1.6 versicolor #> 87 6.7 3.1 4.7 1.5 NO SPECIES #> 88 6.3 2.3 4.4 1.3 versicolor #> 89 5.6 3.0 4.1 1.3 versicolor #> 90 5.5 2.5 4.0 1.3 versicolor #> 91 5.5 2.6 4.4 1.2 versicolor #> 92 6.1 3.0 4.6 1.4 versicolor #> 93 5.8 2.6 4.0 1.2 versicolor #> 94 5.0 2.3 3.3 1.0 versicolor #> 95 5.6 2.7 4.2 1.3 NO SPECIES #> 96 5.7 3.0 4.2 1.2 versicolor #> 97 5.7 2.9 4.2 1.3 versicolor #> 98 6.2 2.9 4.3 1.3 versicolor #> 99 5.1 2.5 3.0 1.1 versicolor #> 100 5.7 2.8 4.1 1.3 versicolor #> 101 6.3 3.3 6.0 2.5 virginica #> 102 5.8 2.7 5.1 1.9 NO SPECIES #> 103 7.1 3.0 5.9 2.1 virginica #> 104 6.3 2.9 5.6 1.8 virginica #> 105 6.5 3.0 5.8 2.2 virginica #> 106 7.6 3.0 6.6 2.1 virginica #> 107 4.9 2.5 4.5 1.7 virginica #> 108 7.3 2.9 6.3 1.8 virginica #> 109 6.7 2.5 5.8 1.8 virginica #> 110 7.2 3.6 6.1 2.5 virginica #> 111 6.5 3.2 5.1 2.0 virginica #> 112 6.4 2.7 5.3 1.9 virginica #> 113 6.8 3.0 5.5 2.1 virginica #> 114 5.7 2.5 5.0 2.0 virginica #> 115 5.8 2.8 5.1 2.4 virginica #> 116 6.4 3.2 5.3 2.3 virginica #> 117 6.5 3.0 5.5 1.8 virginica #> 118 7.7 3.8 6.7 2.2 virginica #> 119 7.7 2.6 6.9 2.3 virginica #> 120 6.0 2.2 5.0 1.5 virginica #> 121 6.9 3.2 5.7 2.3 NO SPECIES #> 122 5.6 2.8 4.9 2.0 virginica #> 123 7.7 2.8 6.7 2.0 virginica #> 124 6.3 2.7 4.9 1.8 virginica #> 125 6.7 3.3 5.7 2.1 virginica #> 126 7.2 3.2 6.0 1.8 virginica #> 127 6.2 2.8 4.8 1.8 NO SPECIES #> 128 6.1 3.0 4.9 1.8 virginica #> 129 6.4 2.8 5.6 2.1 virginica #> 130 7.2 3.0 5.8 1.6 virginica #> 131 7.4 2.8 6.1 1.9 virginica #> 132 7.9 3.8 6.4 2.0 virginica #> 133 6.4 2.8 5.6 2.2 virginica #> 134 6.3 2.8 5.1 1.5 virginica #> 135 6.1 2.6 5.6 1.4 virginica #> 136 7.7 3.0 6.1 2.3 virginica #> 137 6.3 3.4 5.6 2.4 virginica #> 138 6.4 3.1 5.5 1.8 virginica #> 139 6.0 3.0 4.8 1.8 virginica #> 140 6.9 3.1 5.4 2.1 virginica #> 141 6.7 3.1 5.6 2.4 NO SPECIES #> 142 6.9 3.1 5.1 2.3 virginica #> 143 5.8 2.7 5.1 1.9 virginica #> 144 6.8 3.2 5.9 2.3 virginica #> 145 6.7 3.3 5.7 2.5 virginica #> 146 6.7 3.0 5.2 2.3 virginica #> 147 6.3 2.5 5.0 1.9 virginica #> 148 6.5 3.0 5.2 2.0 virginica #> 149 6.2 3.4 5.4 2.3 virginica #> 150 5.9 3.0 5.1 1.8 virginicamessy(iris, 0.5, 1:4)#> Sepal.Length Sepal.Width Petal.Length Petal.Width Species #> 1 5.1 NA 1.4 0.2 setosa #> 2 4.9 NA NA 0.2 setosa #> 3 4.7 NA 1.3 0.2 setosa #> 4 4.6 NA NA 0.2 setosa #> 5 NA 3.6 NA 0.2 setosa #> 6 5.4 3.9 NA NA setosa #> 7 NA NA NA NA setosa #> 8 5.0 NA NA NA setosa #> 9 NA NA NA NA setosa #> 10 NA 3.1 1.5 0.1 setosa #> 11 5.4 NA NA 0.2 setosa #> 12 4.8 NA NA 0.2 setosa #> 13 NA NA NA 0.1 setosa #> 14 NA 3.0 1.1 0.1 setosa #> 15 NA 4.0 1.2 0.2 setosa #> 16 NA NA 1.5 NA setosa #> 17 NA 3.9 1.3 NA setosa #> 18 5.1 3.5 NA 0.3 setosa #> 19 NA NA NA NA setosa #> 20 5.1 3.8 NA 0.3 setosa #> 21 NA 3.4 NA NA setosa #> 22 NA 3.7 1.5 NA setosa #> 23 NA 3.6 NA 0.2 setosa #> 24 NA 3.3 NA NA setosa #> 25 NA 3.4 NA NA setosa #> 26 5.0 NA 1.6 0.2 setosa #> 27 NA NA NA NA setosa #> 28 NA NA NA NA setosa #> 29 5.2 NA NA 0.2 setosa #> 30 NA NA NA 0.2 setosa #> 31 4.8 3.1 1.6 0.2 setosa #> 32 5.4 NA 1.5 NA setosa #> 33 NA 4.1 1.5 0.1 setosa #> 34 NA NA 1.4 NA setosa #> 35 NA 3.1 NA 0.2 setosa #> 36 NA 3.2 NA 0.2 setosa #> 37 5.5 NA NA NA setosa #> 38 NA NA 1.4 NA setosa #> 39 NA NA NA 0.2 setosa #> 40 NA 3.4 1.5 0.2 setosa #> 41 NA 3.5 1.3 0.3 setosa #> 42 NA 2.3 NA 0.3 setosa #> 43 4.4 3.2 NA NA setosa #> 44 5.0 3.5 NA NA setosa #> 45 5.1 NA NA NA setosa #> 46 4.8 3.0 NA NA setosa #> 47 5.1 3.8 1.6 0.2 setosa #> 48 NA NA NA NA setosa #> 49 5.3 3.7 1.5 NA setosa #> 50 5.0 3.3 NA 0.2 setosa #> 51 7.0 NA NA NA versicolor #> 52 NA 3.2 4.5 1.5 versicolor #> 53 6.9 NA 4.9 1.5 versicolor #> 54 5.5 2.3 4.0 NA versicolor #> 55 NA 2.8 4.6 1.5 versicolor #> 56 NA NA 4.5 1.3 versicolor #> 57 6.3 3.3 NA NA versicolor #> 58 4.9 2.4 3.3 NA versicolor #> 59 NA 2.9 NA NA versicolor #> 60 NA 2.7 3.9 1.4 versicolor #> 61 5.0 NA NA NA versicolor #> 62 NA NA 4.2 1.5 versicolor #> 63 NA 2.2 4.0 1.0 versicolor #> 64 NA NA NA NA versicolor #> 65 5.6 2.9 NA NA versicolor #> 66 6.7 3.1 4.4 NA versicolor #> 67 NA NA 4.5 NA versicolor #> 68 5.8 2.7 4.1 1.0 versicolor #> 69 6.2 2.2 NA 1.5 versicolor #> 70 NA NA 3.9 NA versicolor #> 71 5.9 3.2 4.8 NA versicolor #> 72 6.1 2.8 NA NA versicolor #> 73 NA NA 4.9 1.5 versicolor #> 74 NA NA 4.7 1.2 versicolor #> 75 NA NA 4.3 NA versicolor #> 76 6.6 NA 4.4 1.4 versicolor #> 77 6.8 NA 4.8 1.4 versicolor #> 78 6.7 3.0 NA 1.7 versicolor #> 79 6.0 2.9 NA 1.5 versicolor #> 80 NA NA 3.5 1.0 versicolor #> 81 5.5 NA 3.8 NA versicolor #> 82 5.5 NA 3.7 1.0 versicolor #> 83 NA NA NA NA versicolor #> 84 6.0 NA NA NA versicolor #> 85 5.4 NA NA 1.5 versicolor #> 86 NA 3.4 4.5 NA versicolor #> 87 NA NA NA 1.5 versicolor #> 88 NA 2.3 4.4 1.3 versicolor #> 89 5.6 NA NA 1.3 versicolor #> 90 NA 2.5 NA NA versicolor #> 91 NA 2.6 NA 1.2 versicolor #> 92 6.1 NA 4.6 NA versicolor #> 93 5.8 2.6 4.0 NA versicolor #> 94 NA 2.3 3.3 NA versicolor #> 95 5.6 2.7 4.2 NA versicolor #> 96 NA NA 4.2 NA versicolor #> 97 NA NA NA 1.3 versicolor #> 98 6.2 2.9 4.3 NA versicolor #> 99 5.1 2.5 3.0 NA versicolor #> 100 NA 2.8 NA 1.3 versicolor #> 101 NA NA NA 2.5 virginica #> 102 NA NA NA NA virginica #> 103 NA NA NA 2.1 virginica #> 104 6.3 2.9 5.6 NA virginica #> 105 NA 3.0 5.8 2.2 virginica #> 106 7.6 3.0 6.6 NA virginica #> 107 NA NA NA NA virginica #> 108 NA 2.9 6.3 1.8 virginica #> 109 NA 2.5 5.8 NA virginica #> 110 NA 3.6 6.1 2.5 virginica #> 111 NA NA NA NA virginica #> 112 6.4 2.7 5.3 NA virginica #> 113 NA 3.0 NA NA virginica #> 114 NA NA 5.0 NA virginica #> 115 5.8 NA NA NA virginica #> 116 6.4 NA NA 2.3 virginica #> 117 6.5 NA 5.5 NA virginica #> 118 NA NA 6.7 NA virginica #> 119 7.7 2.6 NA 2.3 virginica #> 120 6.0 NA 5.0 1.5 virginica #> 121 6.9 NA 5.7 2.3 virginica #> 122 5.6 2.8 4.9 NA virginica #> 123 NA NA 6.7 2.0 virginica #> 124 NA 2.7 NA NA virginica #> 125 6.7 NA NA NA virginica #> 126 7.2 3.2 NA 1.8 virginica #> 127 6.2 2.8 NA NA virginica #> 128 6.1 NA NA 1.8 virginica #> 129 NA NA NA 2.1 virginica #> 130 7.2 NA 5.8 1.6 virginica #> 131 NA NA NA NA virginica #> 132 7.9 3.8 6.4 2.0 virginica #> 133 NA 2.8 NA 2.2 virginica #> 134 NA 2.8 5.1 1.5 virginica #> 135 NA NA 5.6 NA virginica #> 136 7.7 3.0 6.1 2.3 virginica #> 137 NA NA NA NA virginica #> 138 6.4 NA NA NA virginica #> 139 6.0 3.0 NA 1.8 virginica #> 140 NA NA NA 2.1 virginica #> 141 6.7 NA 5.6 2.4 virginica #> 142 6.9 NA 5.1 NA virginica #> 143 5.8 2.7 5.1 1.9 virginica #> 144 6.8 3.2 5.9 NA virginica #> 145 NA NA 5.7 2.5 virginica #> 146 6.7 3.0 NA 2.3 virginica #> 147 NA 2.5 NA NA virginica #> 148 6.5 NA 5.2 NA virginica #> 149 6.2 3.4 NA NA virginica #> 150 5.9 NA 5.1 NA virginica