sapply

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Determining if one value occurs once in a row of columns, but a second value doesn't occur at all
user_88336060
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4
5
243
sapply r
Comparing Column names in R across various data frames
user_42261990
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5
2
4326
sapply lapply dataframe r class
R - finding pattern in a column and replacing it (more efficient solution)
user_91910080
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5
2
63
sapply substring r
R Subsetting vector with logical matrix
user_80122570
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6
1
371
sapply apply subset r list
Means multiple columns by multiple groups
user_37926370
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10
4
15583
dcast dplyr sapply r
Solving for two parameters using `optim()` in R?
user_72234340
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2
1
610
sapply r for-loop optimization function
Parallelize user-defined function using apply family in R
user_37003220
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3
2
1794
mapply sapply lapply parallel-processing r
Iterating over columns in a data frame in order to replace values from matching data in list of data frames
user_16555670
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4
4
1355
sapply apply dataframe r replace
R: How do you apply grep() in lapply()
user_60425760
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5
2
12270
tapply sapply lapply r
means and SD for columns in a dataframe with NA values
user_23179940
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4
3
23849
sapply mean standard-deviation r
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