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R create data table columns dynamically

score 289 · Answer 1 · 2016-12-25 09:44:06

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R create data table columns dynamically

289 views Asked by NRG At 25 December 2016 at 09:44

score 535 · Answer 2 · 2017-01-10 11:14:35

How to apply specific function to range of columns(but applying it to every column alone) in R?

535 views Asked by A. Stefanov At 10 January 2017 at 11:14

score 254 · Answer 3 · 2017-09-03 16:58:48

cSplit does not work when a field has embedded the separator

254 views Asked by TCS At 03 September 2017 at 16:58

score 1413 · Answer 4 · 2017-09-07 13:32:27

Stratified sampling with constraints

1.4k views Asked by Marek At 07 September 2017 at 13:32

score 110 · Answer 5 · 2020-10-08 00:59:21

how to do stratified sampling in loop?

110 views Asked by Learner At 08 October 2020 at 00:59

score 776 · Answer 6 · 2014-12-07 19:05:02

How can I reshape a data.table (long into wide) without doing a function like sum or mean?

776 views Asked by peter At 07 December 2014 at 19:05

score 93 · Answer 7 · 2023-10-26 18:50:14

Looking for a negative lookahead for whitespace when using the cSplit_e function in the splitstackshape package

93 views Asked by Catherine At 26 October 2023 at 18:50

score 224 · Answer 8 · 2022-04-08 12:58:31

Splitting string column into a few columns - keep the null entries

224 views Asked by Thandi At 08 April 2022 at 12:58

score 198 · Answer 9 · 2021-04-25 13:59:08

Duplicating rows in dataframe based on column value

198 views Asked by Danielle Edwards At 25 April 2021 at 13:59

score 749 · Answer 10 · 2020-07-14 08:45:21

How to set seed for random sample selection?

749 views Asked by erc At 14 July 2020 at 08:45

TechQA.

List Question

R create data table columns dynamically

How to apply specific function to range of columns(but applying it to every column alone) in R?

cSplit does not work when a field has embedded the separator

Stratified sampling with constraints

how to do stratified sampling in loop?

How can I reshape a data.table (long into wide) without doing a function like sum or mean?

Looking for a negative lookahead for whitespace when using the cSplit_e function in the splitstackshape package

Splitting string column into a few columns - keep the null entries

Duplicating rows in dataframe based on column value

How to set seed for random sample selection?

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