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Rating Stats for

akrun

Rating
1527.10 (21,478th)
Reputation
833,306 (14th)
Page: 1 ... 519 520 521 522 523 ... 562
Title Δ
reshape wide to long using prefix as id in R +0.89
how to add equal wide strings for character vector in r 0.00
merge data frame only keep one observation 0.00
Sum up to every 12 months +2.38
transform a dataframe from long to wide in r, but needs date transf... 0.00
R: from wide list of tags to long list of connections +0.81
data.table gives the error Error: k <= n is not TRUE 0.00
Using left_join from dplyr with merge variables specified 0.00
Merging multiple columns with different column names in R and trans... +0.88
Calculating Averages and creating columns -0.56
how to use dplyr function in the following context where I use ddply -1.51
split a string by the last patterns +1.37
Sub setting very large data frames in R efficiently +0.43
apply function to seperate dates +1.36
transform data frame value based on column name 0.00
How to remove duplicate rows based on three factor levels +0.43
Integrating the sample function into my own function in R +0.44
How to sort the rows of the data frame based on factor levels 0.00
How to remove duplicate pair-wise columns -0.58
How to map a column through a dictionary in R 0.00
Aggregate by specific year in R 0.00
R how to calculate standard deviation of certain columns in data fr... 0.00
Count occurence of values for every possible pair +0.45
Conditionally filling rows of a data frame -0.64
Combine Multiple Columns Into Tidy Data +2.42
Initializing a dataframe to contain `Date` and `decimal` 0.00
R matrix concatenate columns when matrix size is not known 0.00
Basic manipulation of a table in R -2.06
Find the intersection of two dataframes and compute the average of... +0.41
How to sum up the nth column with the n+1th column in a dataframe 0.00
How to speed up R code +2.68
R semicolon delimited a column into rows -0.43
R function to map list to list-of-lists -2.15
Summing over columns using mutate +2.09
Get list.files to read in a list of files in the same order as Wind... 0.00
Find complement of a data frame (anti - join) +0.90
data.table setnames combined with regex 0.00
R: rbind a list of data.frames with different columns in different... +0.44
looking at the next column in a data frame based on a condition in... 0.00
dcast long to wide by transforming unique RHS 0.00
R programming- find lowest value 0.00
Replace negative values by NA values -1.28
extract rows with common characters in a column by comparing two da... 0.00
Splitting the data.frame into 2 columns 0.00
R: Error in !row.names : invalid argument type 0.00
Cross matrix values in R 0.00
Speedy/elegant way to unite many pairs of columns -1.06
print maximum values of each pair of columns -0.07
Compare different rows and remove repeated values 0.00
Manipulation List of Matrices in R 0.00