Difference between revisions of "Simple functions"
From kogic.kr
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<h3 style="color:#aaa; font-style:italic"><span style="font-family:courier new,courier,monospace">Input</span></h3> | <h3 style="color:#aaa; font-style:italic"><span style="font-family:courier new,courier,monospace">Input</span></h3> | ||
| − | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="font-family:courier new,courier,monospace">x <- "AAA@BBB"</span></div> | + | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="font-size:11px"><span style="font-family:courier new,courier,monospace">x <- "AAA@BBB"</span></span></div> |
<h3 style="color:#aaa; font-style:italic"><span style="font-family:courier new,courier,monospace">Code</span></h3> | <h3 style="color:#aaa; font-style:italic"><span style="font-family:courier new,courier,monospace">Code</span></h3> | ||
| − | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="font-family:courier new,courier,monospace">split_pick <- function(x , Div_str, Pick_num){<br /> | + | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="font-size:11px"><span style="font-family:courier new,courier,monospace">split_pick <- function(x , Div_str, Pick_num){<br /> |
return(as.character(as.data.table(strsplit(x, Div_str))[Pick_num])) <br /> | return(as.character(as.data.table(strsplit(x, Div_str))[Pick_num])) <br /> | ||
| − | }</span></div> | + | }</span></span></div> |
| − | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="font-family:courier new,courier,monospace">split_pick(x, "@", 2)</span></div> | + | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="font-size:11px"><span style="font-family:courier new,courier,monospace">split_pick(x, "@", 2)</span></span></div> |
<h3 style="color:#aaa; font-style:italic"><span style="font-family:courier new,courier,monospace">Output</span></h3> | <h3 style="color:#aaa; font-style:italic"><span style="font-family:courier new,courier,monospace">Output</span></h3> | ||
| − | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="font-family:courier new,courier,monospace">"BBB"</span></div> | + | <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;"><span style="font-size:11px"><span style="font-family:courier new,courier,monospace">"BBB"</span></span></div> |
<p> </p> | <p> </p> | ||
Revision as of 13:28, 27 November 2018
Contents
Split the elements of a character vector and select a element
Input
x <- "AAA@BBB"
Code
split_pick <- function(x , Div_str, Pick_num){
return(as.character(as.data.table(strsplit(x, Div_str))[Pick_num]))
split_pick(x, "@", 2)
Output
"BBB"
