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akrun

Rating
1527.10 (21,478th) 		Reputation
833,306 (14th)
Page: 1 ... 410 411 412 413 414 ... 562
Title Δ
Assign NA to duplicate values within dataframe prior to using reshape -0.55
How to split a string list whose elements are "name-year"... +0.48
case_when in mutate pipe +0.51
why is dcast so impossible to pass a non-aggregate function? 0.00
Handle duplicate in R +0.47
Select multiple dataframes and make a list using loop 0.00
Comparing two dataframes based on a condition +2.84
Remove duplicates where values are swapped across 2 columns in R 0.00
How to subset assign values in a list of data.frames 0.00
Count the frequency of a value in a data table with multiple column... +0.03
find number sequence falls within ONE adjacent number (previous and... -0.72
Summing function in R -0.47
Add sequence along blocks -0.56
I am searching for a minimum in a matrix for every row 0.00
Adding " \\ \hline " after every component of a vector 0.00
Using dplyr group_by summarise how to keep a variable occuring at t... 0.00
How to replace numbers with NAs with condition +1.72
Last observation carried forward conditional on multiple columns -0.01
sorting set of data.frame by paired-row? 0.00
R - extract all strings matching pattern and create relational table +0.65
Rename columns in data frame using "arithmetic progression" -1.14
Variable in colnames +1.17
Find & replace a character in a particular position 0.00
Replace penultimate non-empty row tail with NA in R 0.00
Transitioning from Excel to R: how to implement if statement and in... -1.41
Assign column with value in the dataset itself using R -0.47
Why is dplyr is slower than plyr for data aggregation? +0.54
rowMeans with all columns that share a string -1.68
Use dplyr to convert all variables coded as "Y"/"N&q... -0.69
R: Splitting one column (different lengths) into new columns -0.02
Add column to R dataframe that is length of string in another column 0.00
Sum based on a given criteria -0.78
Retrieving all the rows with number 1 0.00
Subset a data.table by a vector of substrings +0.51
R Shuffle values in columns 3-6 based on values in columns 1 AND 2 0.00
How to assign data frame column by it's string in R? 0.00
read txt files with left-aligned data but inconsistent number of sp... 0.00
In R programming language how to convert 0815A into a 24 hour time... 0.00
How to use arrays in R to select every 2 consicutive columns and st... 0.00
How to specify values and names in bulk when creating a vector (or... 0.00
Missing values when excluding rows 0.00
R What's the best way to transform multiple variables? -0.25
array manipulations and extractions of data by names -0.01
filter and unfilter in dplyr -1.61
Need to fetch only first two highest records by grouping two column... -1.87
Better way of adding data.frame columns by referring to indeces +0.00
R: how to subset data with condition of taking out only rows with o... +0.00
Remove duplicate records in dataframe 0.00
R summarize many to many relationship between two column's valu... +0.93
How get the element from the vector which is in even positions (2,... -0.34