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akrun

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1527.10 (21,478th) 		Reputation
833,306 (14th)
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Title Δ
How to pass the first argument to lapply so that it represents a li... -0.03
How can I select the values that only appear once in the column of... +0.17
count sequences of numbers in a dataframe column using a for loop R 0.00
data.table subset condition on .SD columns? -0.19
Iterating (Looping) through columns of a dataframe in R 0.00
Count and number each occurrence of a duplicate row(based on the va... 0.00
Looping through items on a list in R 0.00
How to make mass correction and conversion characters of vector to... 0.00
Picking out column name for maximum dates +2.18
Replacing a varying number of rows within a group in data frame -1.07
how to make same length for all variable? 0.00
Replace values in dataframe based on multiple rows from other dataf... -1.91
How to make a frequency table from a data frame in R -0.58
How to add a space to every two characters in a data frame +0.18
Convert a Character String with commas into a vector in R 0.00
Non-standard Evaluation using tidyr::expand +0.23
summarize_all with "n()" function -1.79
Column names reassignments using concatenated paste vectors 0.00
Using kable to split a character sting into multiple columns +1.57
removing vectors from data frame by suffix in r +2.18
Selecting text between two square brackets with str_extract 0.00
How to count the number each distinct value appears in a column -0.06
Parsing a string containing day of the week into date in R -2.14
Find matches between two string columns in R -2.12
how to add some value of columns with respect of 3 groups? 0.00
How to get all columns with the same column name in R at once? 0.00
making a `data.frame` out of any two same-name variables in two lar... 0.00
Order by sum of elements under a certain label -0.46
how to change value of a column with respect of 3 groups 0.00
Replicating is.element -0.03
Trying to add a column but getting a condition has length >1 error 0.00
How to delete rows if repeated more than 5 times? +0.06
Joining / merging two data frames by symmetric differences in rows... +2.34
how to read numerical values as a numeric object in r 0.00
Plot data according to rownames with different symbols and values -1.33
How can I tokenize a text column in R? unnest function not working 0.00
Using apply function to do claculation in data.frame without change... 0.00
defining a new variable for counting group element with another col... 0.00
group_by and create a sequence of monthly dates 0.00
Self Joining in R +1.08
How to get ONLY columns with NA values and the amount of NAs -1.13
How to gsub string with any partially matched string -0.94
Find cell values in matrix using values from another dataframe 0.00
Convert dataframe from one first to another 0.00
Within rows of data frame, find first occurrence and longest sequen... -1.91
Checking if there exists a value in vector of dates that lies withi... -1.67
How can I apply a function to every row of a data frame in R when t... 0.00
why my Mac stop working when I use merge function 0.00
To create a loop or function for collecting values of multiple vect... 0.00
How to keep leading 0 when export pandas dataframe to csv? 0.00