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Top Questions
175
votes
Dual monitor workspaces in Ubuntu 18.04
gnome
workspaces
activities-overview
asked Jul 25, 2018 at 20:00
askubuntu.com
169
votes
Assign multiple columns using := in data.table, by group
r
dataframe
data.table
variable-assignment
colon-equals
asked Jul 27, 2012 at 2:13
stackoverflow.com
106
votes
Select first element of nested list
r
list
asked Dec 6, 2013 at 16:23
stackoverflow.com
77
votes
.EACHI in data.table?
r
performance
group-by
data.table
asked Nov 18, 2014 at 21:03
stackoverflow.com
63
votes
write.csv for large data.table
r
file-io
csv
data.frame
data.table
asked Aug 17, 2012 at 22:23
stackoverflow.com
57
votes
rank and order in R
r
sorting
r-faq
asked Sep 5, 2012 at 20:26
stackoverflow.com
55
votes
preallocate list in R
performance
r
list
memory
asked Sep 17, 2012 at 17:33
stackoverflow.com
54
votes
Merging multiple data.tables
r
join
merge
data.table
asked Nov 7, 2012 at 16:22
stackoverflow.com
50
votes
reshape vs. reshape2 in R
r
reshape
reshape2
asked Sep 11, 2012 at 20:22
stackoverflow.com
49
votes
Return data subset time frames within another timeframes?
r
time-series
subset
xts
asked Aug 8, 2012 at 19:15
stackoverflow.com
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Top Answers
34
RMySQL dbWriteTable with field.types
stackoverflow.com
30
aggregating multiple columns in data.table
stackoverflow.com
12
rank and order in R
stackoverflow.com
6
connecting to database using RMySQL, R and MySQL
stackoverflow.com
6
R data.table behavior while filtering rows
stackoverflow.com
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