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akrun

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1527.10 (21,478th) 		Reputation
833,306 (14th)
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Title Δ
How do I match on partial field matches in two R data sets using dp... 0.00
How to generate a data frame summary of percentages from of a list... -1.00
melt dataframe and group by using dplyr calculations in R +0.56
Joining numbers using regex -1.45
Putting a sequence into a matrix around existing values -1.78
ordering data by factor levels -2.17
How do I add vectors of different lengths? -0.37
How to add multiplication of columns values of the first row to all... 0.00
R: Subset from two data frames based on multiple conditions +0.44
How to get the output of cat as a string instead of printing it? -1.89
R for loop ignores conditional if statement 0.00
Clean rows with certain values in R -0.05
How can I create a column in my dataframe that maps to a list in R? -0.06
Omitting columns instead of dropping them in purrr -1.51
Filter dataset so only programs appear which were organised sooner -1.52
Efficient way to calculate sum or return NA if all values are NA +1.46
Select odd rows from a specific column in a dataframe 0.00
How to multiply a matrix by a column in another data set? +2.46
R data.table set specific columns to their last values, by group +1.74
Turning a data.frame into a list of smaller data.frames in R +2.54
How to swap values in two column simultaneously with dplyr 0.00
How do I specify the rows that have additional pieces while using s... 0.00
Extracting a Point From Multiple Data Frames Within a List 0.00
R tibble: aggregating by row across specific columns, by column gro... 0.00
List names to rows 0.00
apply() to find closest value in 2 vectors 0.00
How to assign new column based on grouped time condition in R? 0.00
cut columns and rbind it with dataframe in r -1.48
Subsetting multiple dataframes within list in R based on strings in... -1.48
Find first value in table in R -1.02
How to pass column names for inner join by 2 column sets as variabl... 0.00
How I can use for loop in R to make some change in my data? 0.00
Reshape dataframe that has years in column names -1.19
Choosing every other column of a data table in R. What is the diffe... 0.00
Grouping rows to conversations and add conversation number 0.00
Replace certain columns in dataframe with corresponding names from... 0.00
calculate all possible rowwise ratios in data frame -0.05
Extracting json values using a key 0.00
R subset string values including vertical bar(|) +1.78
identifying the most recent datetime -1.43
Is there any r function to convert the column headers( eg:Jan 2018,... 0.00
Assign value to a new variable obtained from an old one -1.51
Assign multiple start and stop dates for single variable in group +2.52
apply function across rows for specific columns +2.56
Group By and Locate the Closest Number +0.46
splitstring and obtain all combinations of substrings after split v... -0.53
Assign gene names from another dataframe based on SNP position and... -1.29
Subset one dataframe with each row values of another dataframe and... 0.00
Division of 2 row values based on group and condition -2.00
How to merge a data frame column with multiple data frames within a... 0.00