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Rating Stats for

chinsoon12

Rating
1493.44 (4,328,249th)

Reputation
9,481 (16,227th)

Page: 1 ... 7 8 9 10 11 ... 22

Title	Δ
How to find matches for a row in a dataframe conditional on many ro...	-0.21
Apply different functions to different columns programmatically in...	+0.47
How to replace NA value with previous non NA value given to same ID	+1.75
Is it currently possible to shift a variable number of rows in data...	0.00
get index by some variable in long format	+1.91
Complex Reshaping of Data Frame, tracking record edits	0.00
When using `data.table`'s DT[ i , j, by], is it possible to set...	-1.86
R: Rolling mean on values below variable quantile threshold	0.00
filter data.table using vector	-0.52
how to identify the row numbers having same value for all column in...	-0.06
Random sampling based on vector with multiple conditions R	+0.34
data.table linearly interpolating NA values without groups	+0.67
modify function to find the maximum length for a consecutive run of...	-0.53
how to decide the longest continuous sequence in a long sequence in r	+0.01
Convert Nested Loop to lapply	-0.59
In a data.table remove identical consecutive values over certain ti...	+1.72
Grouping factors or integers into equivalence classes in R	+1.14
How to specify an empty id.vars vector when melting a data.table?	-0.52
calculate a running cumulative return from daily returns	-1.36
Calculating weighted averages excluding some rows for each row usin...	+0.14
Alternative to plyr::mapvalues in data.table	-1.39
Using R to download data automatically	+1.75
Computed `by` clause in data.table	+0.46
Using R for extracting rows from a large dataset which meet multipl...	0.00
Is there an efficient way to backward search a large vector in R?	-2.04
How to create an adjacency matrix by counting number of co-appearan...	0.00
Fill NA's at boundary of a vector in r	-1.43
Replacing NA of numbered column in list of data frames	+0.30
dplyr::case_when equivalent on one column by group	+2.31
A column of conditional lagged values in R with data.table	0.00
How to find overlapping regions between two data frames based on co...	0.00
Get index of data.table column that matches a value	-1.50
How to count the factors in ordered sequence	+0.91
R how to create columns/features based on existing data	-0.24
Running regression for each line of data.table	0.00
merge dataframes based on multiple columns and thresholds	-0.34
How to calculate the "cross join" of permutations faster?	0.00
Sample a specific number of tibble rows conditional to a variable/c...	0.00
Use unique in data.table but keeping track of original rows (e.g. u...	+0.32
Why does data.table::B[A] and plyr::join(A,B) return different resu...	+1.97
How to speed up an apply function in too many loops	-0.27
Rolling sum with varying window of a data.table	+1.12
How to delete rows for leading and trailing NAs by group in R	0.00
R: how to sample without replacement AND without consecutive same v...	0.00
Is there an R equivalent of Python's pandas.merge_asof?	0.00
How to compute CJ by groups faster? (data.table's Cross Join)	0.00
How to obtain character at a specific place?	0.00
R: Merging data.frames with multiple conditions & multiple logi...	0.00
Efficiently apply custom function in specific date ranges to groups	0.00
How to compute the ranking (of dates) by groups faster with data.ta...	0.00