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akrun

Rating
1527.10 (21,478th)
Reputation
833,306 (14th)
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Title Δ
Melt and cast data table using pattern +1.85
R - efficiently loop through matrix 0.00
How to Group lists within a list of vectors -1.14
Drop values between two characters in a string 0.00
How to conditionally append incremented suffix to vector in R 0.00
Subsetting one matrix based in another matrix +1.79
how to omit reciprocal of words in a data.frame using r +2.02
How do you extract keywords based on surrounding characters 0.00
How to match two columns of logical vectors within a data frame 0.00
Sort dataframe with multiple columns for multiple years 0.00
generate user variable from email variable with dplyr? +0.23
Matrix Indexing R 0.00
Duplication of Rows in data.frame in R -2.09
how to subset data with all factors existing of one variable? 0.00
How to change/rename specific attributes within a data frame column 0.00
dplyr::left_join produce NA values for new joined columns 0.00
R Create column based on previously observed value +1.85
Mean of a list of 3D arrays in R +0.47
How to merge multiple data.frames and sum and average columns at th... -0.57
R Finding Multidimension Array Dimension Sizes +0.41
Reshape DF from long to wide in R using Reshape2 without an aggrega... 0.00
Arrange dataframe in R +2.08
Adding a column using the data.table package in R +0.44
R programming - Conditionally Apply a Function to a Large Data Fram... +0.44
r data.frame code fails to run... sometimes +0.44
R convert Datatable distinct column values to column names and colu... +0.46
Complex conditional removal/extraction of rows in R -1.85
Extract all elements of a vector that have the same part in their n... 0.00
Count function in R 0.00
Omit numerous NA values 0.00
Removing a row in a data frame depending on the value of the previo... +1.41
Arrange univariateTable output by values not by levels 0.00
Data frame: Populate matrix with corresponding values of matching c... 0.00
Calculating the difference between two values in subsequent rows in R -1.64
Replicate NA cell locations in one data frame in another 0.00
R: How to merge objects to a table? 0.00
R - Update a Value in One Column Based on Criteria in Other Tables 0.00
dplyr and length does not group_by 0.00
split rows by condition in R data.table +2.48
Removing spaces surrounding dashes in R 0.00
Long to Wide - translating multiple columns into multiple new colum... 0.00
Create variable from non-consecutive variables using APPLY in R 0.00
Combining starts_with with group_by in dplyr +0.00
Placing values from transaction list into a sparse matrix with a fo... 0.00
extract columns according to a list 0.00
Select "middle" row from data frame with even total row n... 0.00
R: Reshape count matrix to long format with multiple entries 0.00
Best way to transform labeled rows into columns in R 0.00
how to delete some columns based on values in last row in R 0.00
How to add something to “basename”? 0.00