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Questions tagged apply

14 questions

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31
votes
2
answers

how to access global/outer scope variable from R apply function?

r scope apply
asked 2012-11-30T06:32:52.393
91
votes
3
answers

Why is `vapply` safer than `sapply`?

r apply r-faq
asked 2012-09-09T13:51:11.273
37
votes
4
answers

use multiple columns as variables with sapply

r dataframe apply
asked 2012-04-09T18:56:15.590
49
votes
5
answers

How to apply function over each matrix element's indices

r function dictionary matrix apply
asked 2011-09-12T23:58:12.113
65
votes
8
answers

Apply function to each column in a data frame observing each columns existing data type

r apply sapply
asked 2011-09-05T02:06:41.663
95
votes
4
answers

Why are loops slow in R compared to apply?

performance r apply
asked 2011-08-22T02:59:46.383
22
votes
1
answers

Is there something like JavaScript's apply function in PHP?

php javascript apply
asked 2011-08-14T22:51:02.477
14
votes
2
answers

Why is git apply not finding the file to patch in the current directory?

git patch apply
asked 2011-08-04T15:03:16.557
39
votes
3
answers

Concatenate row-wise across specific columns of dataframe

r apply paste string-concatenation sapply
asked 2011-06-10T15:55:36.847
94
votes
2
answers

What's the .apply jQuery function?

javascript jquery plugins apply
asked 2010-09-26T06:13:28.127
13
votes
7
answers

Last Observation Carried Forward In a data frame?

r matrix apply dataframe
asked 2010-05-05T19:22:53.070
216
votes
14
answers

Remove columns from dataframe where ALL values are NA

r apply dataframe
asked 2010-04-15T08:59:52.520
9
votes
1
answers

Applying pnorm to columns of a data frame

r loops apply
asked 2009-08-07T18:14:19.470
11
votes
5
answers

How can I construct an object using an array of values for parameters, rather than listing them out, in JavaScript?

javascript oop firefox-addon new-operator apply
asked 2009-05-01T21:25:51.287