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Rating Stats for

Arun

Rating
1646.88 (617th)

Reputation
97,405 (767th)

Page: 1 ... 6 7 8 9 10 ... 26

Title	Δ
Wrapper functions for data.table	0.00
Check frequency of data.table value in other data.table	+0.29
R - List of duplicates with multiple condition	+1.44
Improve efficiency in R (vectorization?)	-2.02
Can I programmatically update the type of a set of columns (to fact...	+0.85
data.table updates "unlinked" variable after setkey, why?	0.00
roll join of two non-overlapping `data.table`s	0.00
Count every possible pair of values in a column grouped by multiple...	+0.61
Reshaping data based on Date objects using data.table	0.00
in R, customize names of columns created by dcast.data.table	0.00
R: collapse rows and then convert row into a new column	-1.82
In `data.table` in R, is there a way to fast-assign values to rows...	-2.29
Is there a way to efficiently count column values in A falling with...	0.00
get from data.table only numeric columns in R	0.00
Using setDT inside a function	0.00
speed up date transformation the data.table way	0.00
Finding an efficient way to count the number of overlaps between in...	+1.02
values exist in data.table in multiple columns R	0.00
multiplication with dataframes in r	-0.97
Weighted means for several columns, by groups (in a data.table)	+0.30
Recode '[.data.table'	0.00
Why does inner_join behave differently for data.table?	0.00
"update by reference" vs shallow copy	0.00
Gather multiple sets of columns with tidyr	0.00
Finding Overlaps between interval sets / Efficient Overlap Joins	0.00
Subset multiple columns by .N in large data.table	0.00
From Unbalanced to Balanced Panel	+1.46
Subset data.table by evaluating multiple columns	+0.91
replacing data.frame element-wise operations with data.table (that...	0.00
Splitting triplicates into duplicates	+0.65
Call ReferenceClass methods in data.table's :=	0.00
Error while merging data frames using "data.table" package	0.00
Repeat rows three times and and replace the titles based on a prede...	+1.74
more efficient way to take every nth element in data.table by factors	+0.27
How to create a python-style dictionary by data.table in R?	+0.31
Summing values in a vector based on duplicate values in another R	-0.20
fill missing columns with NA while extracting from a data.frame	-1.63
Cumulative sum and data organisation	+1.15
R: Limit each element up to 5	+0.17
Data.table: combine columns (individual function of aggregation)	-0.68
Extract rows with most current date out of a data frame	+0.61
R merge a particular column from one data frame to another accordin...	+0.60
R: Identify highest ranking observation in groups of unequal size	-1.94
R function to calculate mean/median of top highest values	-0.68
R filling partially NA in data.table	-0.37
How to find the number of unique values in vector for each values f...	+0.18
Expand rows by date range using start and end date	+1.19
R - Replacing missing values in a data table	+1.95
R use aggregate() output for imputing NA	-1.30
Handling invalid selfref in R data.table when passing by reference...	-2.26