data.table vs dplyr: can one do something well the other can't or does poorly? data.table vs dplyr: can one do something well the other can't or does poorly? r r
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data.table vs dplyr: can one do something well the other can't or does poorly?
r
data.table
dplyr
lien
r
How do you delete a column by name in data.table?
r
data.table
lien
r
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
r
reference
copy
data.table
assignment-operator
lien
r
What does .SD stand for in data.table in R
r
data.table
lien
r
Aggregate / summarize multiple variables per group (e.g. sum, mean)
r
dataframe
data.table
aggregate
r-faq
lien
r
Replacing NAs with latest non-NA value
r
data.table
zoo
r-faq
lien
r
Why were pandas merges in python faster than data.table merges in R in 2012?
python
r
join
data.table
pandas
lien
r
How to delete a row by reference in data.table?
r
data.table
lien
r
Fastest way to replace NAs in a large data.table
r
performance
dataframe
data.table
lien
r
Assign multiple columns using := in data.table, by group
r
dataframe
data.table
variable-assignment
colon-equals
lien
r
Select multiple columns in data.table by their numeric indices
r
data.table
lien
r
Why is rbindlist "better" than rbind?
r
data.table
rbind
rbindlist
lien
r
Why does X[Y] join of data.tables not allow a full outer join, or a left join?
r
join
data.table
lien
r
Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.9.4 or earlier
r
string
sorting
data.table
key
lien
r
How to reorder data.table columns (without copying)
r
data.table
lien
r
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