{"id":514,"date":"2023-07-29T15:53:45","date_gmt":"2023-07-29T15:53:45","guid":{"rendered":"https:\/\/statorials.org\/my\/r-%e1%80%90%e1%80%bd%e1%80%84%e1%80%ba-variable-%e1%80%a1%e1%80%9e%e1%80%85%e1%80%ba%e1%80%99%e1%80%bb%e1%80%ac%e1%80%b8%e1%80%96%e1%80%94%e1%80%ba%e1%80%90%e1%80%ae%e1%80%b8%e1%80%9b%e1%80%94\/"},"modified":"2023-07-29T15:53:45","modified_gmt":"2023-07-29T15:53:45","slug":"r-%e1%80%90%e1%80%bd%e1%80%84%e1%80%ba-variable-%e1%80%a1%e1%80%9e%e1%80%85%e1%80%ba%e1%80%99%e1%80%bb%e1%80%ac%e1%80%b8%e1%80%96%e1%80%94%e1%80%ba%e1%80%90%e1%80%ae%e1%80%b8%e1%80%9b%e1%80%94","status":"publish","type":"post","link":"https:\/\/statorials.org\/my\/r-%e1%80%90%e1%80%bd%e1%80%84%e1%80%ba-variable-%e1%80%a1%e1%80%9e%e1%80%85%e1%80%ba%e1%80%99%e1%80%bb%e1%80%ac%e1%80%b8%e1%80%96%e1%80%94%e1%80%ba%e1%80%90%e1%80%ae%e1%80%b8%e1%80%9b%e1%80%94\/","title":{"rendered":"R \u1010\u103d\u1004\u103a variable \u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1016\u1014\u103a\u1010\u102e\u1038\u101b\u1014\u103a mutate \u1000\u102d\u102f\u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1014\u100a\u103a\u1038"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u1024\u101e\u1004\u103a\u1001\u1014\u103a\u1038\u1005\u102c\u1010\u103d\u1004\u103a \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u1010\u1005\u103a\u1001\u102f\u101e\u102d\u102f\u1037 \u1015\u103c\u1031\u102c\u1004\u103a\u1038\u101c\u103d\u1032\u1015\u103c\u1031\u102c\u1004\u103a\u1038\u1014\u102d\u102f\u1004\u103a\u101e\u100a\u1037\u103a\u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1011\u100a\u1037\u103a\u101b\u1014\u103a R \u1010\u103d\u1004\u103a <strong>mutate()<\/strong> \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1001\u103b\u1000\u103a\u1000\u102d\u102f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1015\u102f\u1036\u1000\u102d\u102f \u101b\u103e\u1004\u103a\u1038\u1015\u103c\u1011\u102c\u1038\u101e\u100a\u103a\u104b<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>R \u1010\u103d\u1004\u103a variable \u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1011\u100a\u1037\u103a\u1001\u103c\u1004\u103a\u1038\u104b<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">\u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u101e\u102d\u102f\u1037 \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1011\u100a\u1037\u103a\u101b\u1014\u103a \u1021\u1031\u102c\u1000\u103a\u1015\u102b <strong>dplyr<\/strong> \u1005\u102c\u1000\u103c\u100a\u1037\u103a\u1010\u102d\u102f\u1000\u103a\u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1014\u102d\u102f\u1004\u103a\u1015\u102b\u101e\u100a\u103a\u104b<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>mutate()<\/strong> \u2013 \u101b\u103e\u102d\u1015\u103c\u102e\u1038\u101e\u102c\u1038 \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1011\u102d\u1014\u103a\u1038\u101e\u102d\u1019\u103a\u1038\u1011\u102c\u1038\u1005\u1009\u103a\u1010\u103d\u1004\u103a \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u1010\u1005\u103a\u1001\u102f\u101e\u102d\u102f\u1037 \u1015\u1031\u102b\u1004\u103a\u1038\u1011\u100a\u1037\u103a\u101e\u100a\u103a\u104b<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>transmute()<\/strong> \u2013 \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u1010\u1005\u103a\u1001\u102f\u101e\u102d\u102f\u1037 \u1015\u1031\u102b\u1004\u103a\u1038\u1011\u100a\u1037\u103a\u1000\u102c \u101b\u103e\u102d\u1015\u103c\u102e\u1038\u101e\u102c\u1038 \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1016\u101a\u103a\u101b\u103e\u102c\u1038\u101e\u100a\u103a\u104b<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>mutate_all()<\/strong> \u2013 \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u1010\u1005\u103a\u1001\u102f\u1010\u103d\u1004\u103a \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u102c\u1038\u101c\u102f\u1036\u1038\u1000\u102d\u102f \u1010\u1005\u103a\u1015\u103c\u102d\u102f\u1004\u103a\u1014\u1000\u103a\u1010\u100a\u103a\u1038 \u1015\u103c\u1004\u103a\u1006\u1004\u103a\u101e\u100a\u103a\u104b<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>mutate_at()<\/strong> \u2013 \u101e\u1010\u103a\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1019\u103e\u1010\u103a \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u1019\u100a\u103a\u1016\u103c\u1004\u1037\u103a \u1019\u103d\u1019\u103a\u1038\u1019\u1036\u101e\u100a\u103a\u104b<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>mutate_if()<\/strong> \u2013 \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1011\u102c\u1038\u101e\u1031\u102c \u1021\u1001\u103c\u1031\u1021\u1014\u1031\u1014\u103e\u1004\u1037\u103a \u1000\u102d\u102f\u1000\u103a\u100a\u102e\u101e\u1031\u102c \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u102c\u1038\u101c\u102f\u1036\u1038\u1000\u102d\u102f \u1019\u103d\u1019\u103a\u1038\u1019\u1036\u101e\u100a\u103a\u104b<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>mutate()<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\"><strong>mutate()<\/strong> \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1001\u103b\u1000\u103a\u101e\u100a\u103a \u101c\u1000\u103a\u101b\u103e\u102d\u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u102c\u1038\u101c\u102f\u1036\u1038\u1000\u102d\u102f \u1011\u102d\u1014\u103a\u1038\u101e\u102d\u1019\u103a\u1038\u1011\u102c\u1038\u1005\u1009\u103a\u1010\u103d\u1004\u103a \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u1010\u1005\u103a\u1001\u102f\u101e\u102d\u102f\u1037 \u1015\u1031\u102b\u1004\u103a\u1038\u1011\u100a\u1037\u103a\u101e\u100a\u103a\u104b<\/span> <span style=\"color: #000000;\">mutate() \u104f \u1021\u1001\u103c\u1031\u1001\u1036 syntax \u1019\u103e\u102c-<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>data &lt;- <span style=\"color: #800080;\">mutate<\/span> (new_variable = existing_variable\/3)<\/strong><\/pre>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>\u1012\u1031\u1010\u102c-<\/strong> \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1015\u1031\u1038\u1019\u100a\u1037\u103a \u1012\u1031\u1010\u102c\u1018\u101c\u1031\u102c\u1000\u103a\u1021\u101e\u1005\u103a<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>new_variable-<\/strong> \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u101e\u1005\u103a\u104f \u1021\u1019\u100a\u103a<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>\u101b\u103e\u102d\u1015\u103c\u102e\u1038\u101e\u102c\u1038_variable-<\/strong> \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u101e\u1005\u103a\u1000\u102d\u102f\u1016\u1014\u103a\u1010\u102e\u1038\u101b\u1014\u103a \u101e\u1004\u103a\u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1019\u103e\u102f\u1010\u1005\u103a\u1001\u102f\u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u101c\u102d\u102f\u101e\u1031\u102c \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u101b\u103e\u102d \u101b\u103e\u102d\u1015\u103c\u102e\u1038\u101e\u102c\u1038\u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\u1025\u1015\u1019\u102c\u1021\u102c\u1038\u1016\u103c\u1004\u1037\u103a\u104a \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1000\u102f\u1012\u103a\u101e\u100a\u103a \u1019\u103c\u103e\u102f\u1015\u103a\u1011\u102c\u1038\u101e\u1031\u102c <em>iris<\/em> dataset \u101e\u102d\u102f\u1037 <em>root_sepal_width<\/em> variable \u1021\u101e\u1005\u103a\u1000\u102d\u102f \u1011\u100a\u1037\u103a\u101e\u103d\u1004\u103a\u1038\u1014\u100a\u103a\u1038\u1000\u102d\u102f \u101e\u101b\u102f\u1015\u103a\u1015\u103c\u101e\u100a\u103a-<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define data frame as the first six lines of the <em>iris<\/em> dataset<\/span>\ndata &lt;- head(iris)\n\n<span style=\"color: #008080;\">#view data<\/span>\ndata\n\n# Sepal.Length Sepal.Width Petal.Length Petal.Width Species\n#1 5.1 3.5 1.4 0.2 setosa\n#2 4.9 3.0 1.4 0.2 setosa\n#3 4.7 3.2 1.3 0.2 setosa\n#4 4.6 3.1 1.5 0.2 setosa\n#5 5.0 3.6 1.4 0.2 setosa\n#6 5.4 3.9 1.7 0.4 setosa\n\n<span style=\"color: #008080;\">#load <em>dplyr<\/em> library<\/span>\n<span style=\"color: #000000;\">library(dplyr)<\/span>\n\n<span style=\"color: #008080;\">#define new column <em>root_sepal_width<\/em> as the square root of the <em>Sepal.Width<\/em> variable<\/span>\ndata %&gt;% <span style=\"color: #800080;\">mutate<\/span> (root_sepal_width = sqrt(Sepal.Width))\n\n# Sepal.Length Sepal.Width Petal.Length Petal.Width Species root_sepal_width\n#1 5.1 3.5 1.4 0.2 setosa 1.870829\n#2 4.9 3.0 1.4 0.2 setosa 1.732051\n#3 4.7 3.2 1.3 0.2 setosa 1.788854\n#4 4.6 3.1 1.5 0.2 setosa 1.760682\n#5 5.0 3.6 1.4 0.2 setosa 1.897367\n#6 5.4 3.9 1.7 0.4 setosa 1.974842\n<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>transmute()<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\"><strong>transmute()<\/strong> \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1001\u103b\u1000\u103a\u101e\u100a\u103a \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u1010\u1005\u103a\u1001\u102f\u101e\u102d\u102f\u1037 \u1015\u1031\u102b\u1004\u103a\u1038\u1011\u100a\u1037\u103a\u1000\u102c \u101b\u103e\u102d\u1015\u103c\u102e\u1038\u101e\u102c\u1038 \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1016\u101a\u103a\u101b\u103e\u102c\u1038\u101e\u100a\u103a\u104b \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1000\u102f\u1012\u103a\u101e\u100a\u103a \u1012\u1031\u1010\u102c\u1021\u1010\u103d\u1032\u1010\u1005\u103a\u1001\u102f\u1010\u103d\u1004\u103a \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u101e\u1005\u103a\u1014\u103e\u1005\u103a\u1001\u102f\u1000\u102d\u102f \u1011\u100a\u1037\u103a\u101e\u103d\u1004\u103a\u1038\u1014\u100a\u103a\u1038\u1014\u103e\u1004\u1037\u103a \u101b\u103e\u102d\u1015\u103c\u102e\u1038\u101e\u102c\u1038\u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u102c\u1038\u101c\u102f\u1036\u1038\u1000\u102d\u102f \u1016\u101a\u103a\u101b\u103e\u102c\u1038\u1014\u100a\u103a\u1038\u1000\u102d\u102f \u101e\u101b\u102f\u1015\u103a\u1015\u103c\u101e\u100a\u103a-<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define data frame as the first six lines of the <em>iris<\/em> dataset\n<\/span>data &lt;- head(iris)\n\n<span style=\"color: #008080;\">#viewdata\n<\/span>data\n\n# Sepal.Length Sepal.Width Petal.Length Petal.Width Species\n#1 5.1 3.5 1.4 0.2 setosa\n#2 4.9 3.0 1.4 0.2 setosa\n#3 4.7 3.2 1.3 0.2 setosa\n#4 4.6 3.1 1.5 0.2 setosa\n#5 5.0 3.6 1.4 0.2 setosa\n#6 5.4 3.9 1.7 0.4 setosa\n\n<span style=\"color: #008080;\">#define two new variables and remove all existing variables\n<\/span>data %&gt;% <span style=\"color: #800080;\">transmute<\/span> (root_sepal_width = sqrt(Sepal.Width),\n                   root_petal_width = sqrt(Petal.Width))\n\n# root_sepal_width root_petal_width\n#1 1.870829 0.4472136\n#2 1.732051 0.4472136\n#3 1.788854 0.4472136\n#4 1.760682 0.4472136\n#5 1.897367 0.4472136\n#6 1.974842 0.6324555\n<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>mutate_all()<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\"><strong>mutate_all()<\/strong> \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1001\u103b\u1000\u103a\u101e\u100a\u103a <strong>funs()<\/strong> \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1001\u103b\u1000\u103a\u1000\u102d\u102f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u104d \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u102c\u1038\u101c\u102f\u1036\u1038\u1010\u103d\u1004\u103a \u1010\u102d\u1000\u103b\u101e\u1031\u102c\u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1001\u103b\u1000\u103a\u1010\u1005\u103a\u1001\u102f\u1000\u102d\u102f \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1014\u102d\u102f\u1004\u103a\u1005\u1031\u1019\u100a\u1037\u103a \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u1010\u1005\u103a\u1001\u102f\u101b\u103e\u102d \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u102c\u1038\u101c\u102f\u1036\u1038\u1000\u102d\u102f \u1010\u1005\u103a\u1000\u103c\u102d\u1019\u103a\u1010\u100a\u103a\u1038\u1010\u103d\u1004\u103a \u1019\u103d\u1019\u103a\u1038\u1019\u1036\u1015\u103c\u1004\u103a\u1006\u1004\u103a\u1015\u1031\u1038\u101e\u100a\u103a\u104b \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1000\u102f\u1012\u103a\u101e\u100a\u103a <strong>mutate_all()<\/strong> \u1000\u102d\u102f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u104d \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u1010\u1005\u103a\u1001\u102f\u1010\u103d\u1004\u103a \u1000\u1031\u102c\u103a\u101c\u1036\u1021\u102c\u1038\u101c\u102f\u1036\u1038\u1000\u102d\u102f 10 \u1016\u103c\u1004\u1037\u103a \u1001\u103d\u1032\u1014\u100a\u103a\u1038\u1000\u102d\u102f \u101e\u101b\u102f\u1015\u103a\u1015\u103c\u101e\u100a\u103a-<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define new data frame as the first six rows of <em>iris<\/em> without the <em>Species<\/em> variable<\/span>\ndata2 &lt;- head(iris) %&gt;% select(-Species)\n\n<span style=\"color: #008080;\">#view the new data frame<\/span>\ndata2\n\n# Sepal.Length Sepal.Width Petal.Length Petal.Width\n#1 5.1 3.5 1.4 0.2\n#2 4.9 3.0 1.4 0.2\n#3 4.7 3.2 1.3 0.2\n#4 4.6 3.1 1.5 0.2\n#5 5.0 3.6 1.4 0.2\n#6 5.4 3.9 1.7 0.4\n\n<span style=\"color: #008080;\">#divide all variables in the data frame by 10\n<\/span>data2 %&gt;% <span style=\"color: #800080;\">mutate_all<\/span> (funs(.\/10))\n\n# Sepal.Length Sepal.Width Petal.Length Petal.Width\n#1 0.51 0.35 0.14 0.02\n#2 0.49 0.30 0.14 0.02\n#3 0.47 0.32 0.13 0.02\n#4 0.46 0.31 0.15 0.02\n#5 0.50 0.36 0.14 0.02\n#6 0.54 0.39 0.17 0.04\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u1019\u100a\u103a\u101f\u1031\u102c\u1004\u103a\u1038\u1000\u102d\u102f \u1011\u1015\u103a\u1015\u1031\u102b\u1004\u103a\u1038\u1011\u100a\u1037\u103a\u101b\u1014\u103a \u1021\u1019\u100a\u103a\u1021\u101e\u1005\u103a\u1000\u102d\u102f \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1001\u103c\u1004\u103a\u1038\u1016\u103c\u1004\u1037\u103a \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u101e\u102d\u102f\u1037 \u1011\u1015\u103a\u1006\u1004\u1037\u103a\u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1015\u1031\u102b\u1004\u103a\u1038\u1011\u100a\u1037\u103a\u1014\u102d\u102f\u1004\u103a\u101e\u100a\u103a\u1000\u102d\u102f \u101e\u1010\u102d\u1015\u103c\u102f\u1015\u102b-<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>data2 %&gt;% <span style=\"color: #800080;\">mutate_all<\/span> (funs(mod = .\/10))\n\n# Sepal.Length Sepal.Width Petal.Length Petal.Width Sepal.Length_mod\n#1 5.1 3.5 1.4 0.2 0.51\n#2 4.9 3.0 1.4 0.2 0.49\n#3 4.7 3.2 1.3 0.2 0.47\n#4 4.6 3.1 1.5 0.2 0.46\n#5 5.0 3.6 1.4 0.2 0.50\n#6 5.4 3.9 1.7 0.4 0.54\n# Sepal.Width_mod Petal.Length_mod Petal.Width_mod\n#1 0.35 0.14 0.02\n#2 0.30 0.14 0.02\n#3 0.32 0.13 0.02\n#4 0.31 0.15 0.02\n#5 0.36 0.14 0.02\n#6 0.39 0.17 0.04\n<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>mutate_at()<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\"><strong>mutate_at()<\/strong> \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1001\u103b\u1000\u103a\u101e\u100a\u103a \u101e\u1010\u103a\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1019\u103e\u1010\u103a \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u1019\u100a\u103a\u1016\u103c\u1004\u1037\u103a \u1015\u103c\u102f\u1015\u103c\u1004\u103a\u1015\u1031\u1038\u101e\u100a\u103a\u104b \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1000\u102f\u1012\u103a\u101e\u100a\u103a <strong>mutate_at()<\/strong> \u1000\u102d\u102f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u104d \u101e\u102e\u1038\u1001\u103c\u102c\u1038 variable \u1014\u103e\u1005\u103a\u1001\u102f\u1000\u102d\u102f 10 \u1016\u103c\u1004\u1037\u103a \u1001\u103d\u1032\u1014\u100a\u103a\u1038\u1000\u102d\u102f \u101e\u101b\u102f\u1015\u103a\u1015\u103c\u101e\u100a\u103a \u104b<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>data2 %&gt;% <span style=\"color: #800080;\">mutate_at<\/span> (c(\"Sepal.Length\", \"Sepal.Width\"), funs(mod = .\/10))\n\n# Sepal.Length Sepal.Width Petal.Length Petal.Width Sepal.Length_mod\n#1 5.1 3.5 1.4 0.2 0.51\n#2 4.9 3.0 1.4 0.2 0.49\n#3 4.7 3.2 1.3 0.2 0.47\n#4 4.6 3.1 1.5 0.2 0.46\n#5 5.0 3.6 1.4 0.2 0.50\n#6 5.4 3.9 1.7 0.4 0.54\n# Sepal.Width_mod\n#1 0.35\n#2 0.30\n#3 0.32\n#4 0.31\n#5 0.36\n#6 0.39<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>mutate_if()<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\"><strong>mutate_if()<\/strong> \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1001\u103b\u1000\u103a\u101e\u100a\u103a \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1011\u102c\u1038\u101e\u1031\u102c \u1021\u1001\u103c\u1031\u1021\u1014\u1031\u1014\u103e\u1004\u1037\u103a \u1000\u102d\u102f\u1000\u103a\u100a\u102e\u101e\u100a\u1037\u103a \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u102c\u1038\u101c\u102f\u1036\u1038\u1000\u102d\u102f \u1015\u103c\u102f\u1015\u103c\u1004\u103a\u1015\u1031\u1038\u101e\u100a\u103a\u104b \u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1000\u102f\u1012\u103a\u101e\u100a\u103a <strong>mutate_if()<\/strong> \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1001\u103b\u1000\u103a\u1000\u102d\u102f \u1021\u1019\u103b\u102d\u102f\u1038\u1021\u1005\u102c\u1038 <em>\u1000\u102d\u1014\u103a\u1038\u1002\u100f\u1014\u103a\u1038<\/em> \u1010\u1005\u103a\u1001\u102f\u1001\u102f\u1000\u102d\u102f \u1005\u102c\u101c\u102f\u1036\u1038 <em>\u101b\u102d\u102f\u1000\u103a<\/em> \u101b\u1014\u103a\u1021\u1010\u103d\u1000\u103a \u1015\u103c\u1031\u102c\u1004\u103a\u1038\u101c\u1032\u1014\u102d\u102f\u1004\u103a\u1015\u102f\u1036\u1000\u102d\u102f \u1016\u1031\u102c\u103a\u1015\u103c\u101e\u100a\u103a\u104b<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#find variable type of each variable in a data frame<\/span>\ndata &lt;- head(iris)\nsapply(data, class)\n\n#Sepal.Length Sepal.Width Petal.Length Petal.Width Species \n# \"numeric\" \"numeric\" \"numeric\" \"numeric\" \"factor\" \n\n<span style=\"color: #008080;\">#convert any variable of type <em>factor<\/em> to type <em>character<\/em><\/span>\nnew_data &lt;- data %&gt;% mutate_if(is.factor, as.character)\nsapply(new_data, class)\n\n#Sepal.Length Sepal.Width Petal.Length Petal.Width Species \n# \"numeric\" \"numeric\" \"numeric\" \"numeric\" \"character\"<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\u1021\u1031\u102c\u1000\u103a\u1015\u102b\u1000\u102f\u1012\u103a\u101e\u100a\u103a <em>\u1000\u102d\u1014\u103a\u1038\u1002\u100f\u102c\u1014\u103a\u1038<\/em> \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u102c\u1038\u101c\u102f\u1036\u1038\u1000\u102d\u102f \u1012\u103f\u1019\u1014\u1031\u101b\u102c\u1010\u1005\u103a\u1001\u102f\u101e\u102d\u102f\u1037 \u101d\u102d\u102f\u1004\u103a\u1038\u1011\u102c\u1038\u101b\u1014\u103a <strong>mutate_if()<\/strong> \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1001\u103b\u1000\u103a\u1000\u102d\u102f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1015\u102f\u1036\u1000\u102d\u102f \u101e\u101b\u102f\u1015\u103a\u1015\u103c\u101e\u100a\u103a-<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define data as first six rows of <em>iris<\/em> dataset<\/span>\ndata &lt;- head(iris)\n\n<span style=\"color: #008080;\">#view data<\/span>\ndata\n\n# Sepal.Length Sepal.Width Petal.Length Petal.Width Species\n#1 5.1 3.5 1.4 0.2 setosa\n#2 4.9 3.0 1.4 0.2 setosa\n#3 4.7 3.2 1.3 0.2 setosa\n#4 4.6 3.1 1.5 0.2 setosa\n#5 5.0 3.6 1.4 0.2 setosa\n#6 5.4 3.9 1.7 0.4 setosa\n\n<span style=\"color: #008080;\">#round any variables of type <em>numeric<\/em> to one decimal place<\/span>\ndata %&gt;% mutate_if(is.numeric, round, digits = 0)\n\n# Sepal.Length Sepal.Width Petal.Length Petal.Width Species\n#1 5 4 1 0 setosa\n#2 5 3 1 0 setosa\n#3 5 3 1 0 setosa\n#4 5 3 2 0 setosa\n#5 5 4 1 0 setosa\n#6 5 4 2 0 setosa\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>\u1014\u1031\u102c\u1000\u103a\u1011\u1015\u103a\u1016\u1010\u103a\u101b\u1014\u103a:<br \/> <a href=\"https:\/\/statorials.org\/my\/lapply-sapply-\u1014\u103e\u1004\u1037\u103a-tapply-r-\u1016\u103c\u1004\u1037\u103a-\u1021\u101e\u102f\u1036\u1038\u1001\u103b\u101b\u1014\u103a-\u101c\u1019\u103a\u1038\u100a\u103d\u103e\u1014\u103a\/\" target=\"_blank\" rel=\"noopener noreferrer\">R \u1010\u103d\u1004\u103a apply(), lapply(), sapply() \u1014\u103e\u1004\u1037\u103a tapply() \u1010\u102d\u102f\u1037\u1016\u103c\u1005\u103a\u101e\u100a\u103a\u104b<\/a><br \/> <a href=\"https:\/\/statorials.org\/my\/\u101c\u102d\u102f\u1004\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f\u1005\u102f\u1005\u100a\u103a\u1038\u1015\u102b\u104b\/\" target=\"_blank\" rel=\"noopener noreferrer\">R \u1019\u103e\u102c \u101c\u102d\u102f\u1004\u103a\u1038\u1010\u103d\u1031\u1000\u102d\u102f \u1018\u101a\u103a\u101c\u102d\u102f\u1005\u102e\u1005\u1009\u103a\u1019\u101c\u1032\u104b<\/a><br \/> <a href=\"https:\/\/statorials.org\/my\/filter-\u1021\u1010\u1014\u103a\u1038-r\/\" target=\"_blank\" rel=\"noopener noreferrer\">R \u1010\u103d\u1004\u103a \u1021\u1010\u1014\u103a\u1038\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1005\u1005\u103a\u1011\u102f\u1010\u103a\u1014\u100a\u103a\u1038<\/a><br \/><\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u1024\u101e\u1004\u103a\u1001\u1014\u103a\u1038\u1005\u102c\u1010\u103d\u1004\u103a \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u1010\u1005\u103a\u1001\u102f\u101e\u102d\u102f\u1037 \u1015\u103c\u1031\u102c\u1004\u103a\u1038\u101c\u103d\u1032\u1015\u103c\u1031\u102c\u1004\u103a\u1038\u1014\u102d\u102f\u1004\u103a\u101e\u100a\u1037\u103a\u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1011\u100a\u1037\u103a\u101b\u1014\u103a R \u1010\u103d\u1004\u103a mutate() \u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1001\u103b\u1000\u103a\u1000\u102d\u102f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1015\u102f\u1036\u1000\u102d\u102f \u101b\u103e\u1004\u103a\u1038\u1015\u103c\u1011\u102c\u1038\u101e\u100a\u103a\u104b R \u1010\u103d\u1004\u103a variable \u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1011\u100a\u1037\u103a\u1001\u103c\u1004\u103a\u1038\u104b \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u101e\u102d\u102f\u1037 \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1011\u100a\u1037\u103a\u101b\u1014\u103a \u1021\u1031\u102c\u1000\u103a\u1015\u102b dplyr \u1005\u102c\u1000\u103c\u100a\u1037\u103a\u1010\u102d\u102f\u1000\u103a\u101c\u102f\u1015\u103a\u1006\u1031\u102c\u1004\u103a\u1001\u103b\u1000\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u101e\u102f\u1036\u1038\u1015\u103c\u102f\u1014\u102d\u102f\u1004\u103a\u1015\u102b\u101e\u100a\u103a\u104b mutate() \u2013 \u101b\u103e\u102d\u1015\u103c\u102e\u1038\u101e\u102c\u1038 \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1011\u102d\u1014\u103a\u1038\u101e\u102d\u1019\u103a\u1038\u1011\u102c\u1038\u1005\u1009\u103a\u1010\u103d\u1004\u103a \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u1010\u1005\u103a\u1001\u102f\u101e\u102d\u102f\u1037 \u1015\u1031\u102b\u1004\u103a\u1038\u1011\u100a\u1037\u103a\u101e\u100a\u103a\u104b transmute() \u2013 \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u1010\u1005\u103a\u1001\u102f\u101e\u102d\u102f\u1037 \u1015\u1031\u102b\u1004\u103a\u1038\u1011\u100a\u1037\u103a\u1000\u102c \u101b\u103e\u102d\u1015\u103c\u102e\u1038\u101e\u102c\u1038 \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1016\u101a\u103a\u101b\u103e\u102c\u1038\u101e\u100a\u103a\u104b mutate_all() \u2013 \u1012\u1031\u1010\u102c\u1018\u1031\u102c\u1004\u103a\u1010\u1005\u103a\u1001\u102f\u1010\u103d\u1004\u103a \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u102c\u1038\u101c\u102f\u1036\u1038\u1000\u102d\u102f \u1010\u1005\u103a\u1015\u103c\u102d\u102f\u1004\u103a\u1014\u1000\u103a\u1010\u100a\u103a\u1038 \u1015\u103c\u1004\u103a\u1006\u1004\u103a\u101e\u100a\u103a\u104b mutate_at() \u2013 \u101e\u1010\u103a\u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1019\u103e\u1010\u103a \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1019\u103b\u102c\u1038\u1000\u102d\u102f \u1021\u1019\u100a\u103a\u1016\u103c\u1004\u1037\u103a \u1019\u103d\u1019\u103a\u1038\u1019\u1036\u101e\u100a\u103a\u104b mutate_if() \u2013 \u101e\u1010\u103a\u1019\u103e\u1010\u103a\u1011\u102c\u1038\u101e\u1031\u102c \u1021\u1001\u103c\u1031\u1021\u1014\u1031\u1014\u103e\u1004\u1037\u103a \u1000\u102d\u102f\u1000\u103a\u100a\u102e\u101e\u1031\u102c \u1000\u102d\u1014\u103a\u1038\u101b\u103e\u1004\u103a\u1021\u102c\u1038\u101c\u102f\u1036\u1038\u1000\u102d\u102f \u1019\u103d\u1019\u103a\u1038\u1019\u1036\u101e\u100a\u103a\u104b mutate() [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>R - Statorials \u1010\u103d\u1004\u103a variable \u1021\u101e\u1005\u103a\u1019\u103b\u102c\u1038\u1016\u1014\u103a\u1010\u102e\u1038\u101b\u1014\u103a Mutate 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