Difference between revisions of "Simple functions"
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(Created page with "<h1><span style="font-family:courier new,courier,monospace">Split the elements of a character vector like perl</span></h1> <h3 style="color:#aaa;font-style:italic;"><span style=...") |
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| − | <h1><span style="font-family:courier new,courier,monospace">Split the elements of a character vector | + | <h1><span style="font-family:courier new,courier,monospace">Split the elements of a character vector and select a element</span></h1> |
| − | <h3 style="color:#aaa;font-style:italic | + | <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-family:courier new,courier,monospace">x <- "AAA@BBB"</span></div> | ||
| − | <h3 style="color:#aaa;font-style:italic | + | <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-family:courier new,courier,monospace">split_pick <- function(x , Div_str, Pick_num){<br /> | ||
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<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-family:courier new,courier,monospace">split_pick(x, "@", 2)</span></div> | ||
| − | <h3 style="color:#aaa;font-style:italic | + | <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-family:courier new,courier,monospace">"BBB"</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"
