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talat

Rating
1671.29 (315th)
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53,631 (1,824th)
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Title Δ
Regexp to split month from year in date mmyyyy +0.89
applying strptime to local data frame 0.00
R: tell if a substring exists in another string -0.02
How to make an arbitrary large number of variables be treated as fa... 0.00
Use a counter in for loop to take a counting result +0.41
How can you get all the minimum valueS of a variable by group? +0.33
dplyr group_by only some values +2.05
filter rows in data.table with `by` +2.07
R - count all combinations -0.39
Filter groups in dplyr that exclusively contain specific combinatio... +0.42
Is it possible to duplicate and modify a list in one step in R? +0.25
How to swap in R? +0.40
Vectorized OR function that evaluates FALSE | NA and NA | FALSE as... 0.00
R: fraction of elements in ddply? 0.00
Conditional dataframe mutations in R with magrittr and dplyr -1.82
Efficient way of simultaneously deriving count of unique values and... 0.00
data wrangling - match value in one column with values in others -2.18
Dynamically sorting columns in dplyr via passing ordered vector wit... -0.39
Function for lagged sums -1.92
Collapse Two Column Values into a New Column -0.42
Using grep to index out rows in r +0.42
Frequency of rows by ID -0.18
In R how can I rename variables in Dataframe A with variables in Da... +0.37
Delete multiple rows based on some constrains +1.99
Add multiple copies of row to matrix +0.41
R: how to join the duplicate rows in one dataframe +1.39
Randomizing a column in a list of dataframe +0.42
Use Twofold which() condition but keep Indices from the beginning i... -0.53
R: recode previous/following n observations +0.20
Count flags across multiple rows depending on key +0.00
Is preprocessing file with awk needed or it can be done directly in... -1.57
Specified rows with same character in some rows in dataframe in R +1.01
Excluding unique dates +0.52
dplyr: Sample size greater than population size 0.00
Create Two-Column Dataframe Using Column Names -1.37
Labeling unique values in R +1.10
bind the same vector in multiple rows +1.85
Sub-setting with dplyr 0.00
How to filter by arbitrary identifiers tabulated in a second data f... 0.00
Vectorize for loop in R +1.09
Combining lines in character vector in R -0.17
Using 'mutate_' to sum a bunch of columns row-wise 0.00
dplyr NSE mode in a function: nested conditions -1.52
Combining all immediately previous rows that have the same value as... +1.66
Function that adds new column with stock returns using dplyr 0.00
Counting number of instances of a condition per row R 0.00
How do you write to a data.frame when one of your columns contains... +1.26
Filter by number of duplicates, in R -0.20
Return value by column name in R +0.42
Count variable on a Variable R -1.67