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akrun

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1527.10 (21,478th) 		Reputation
833,306 (14th)
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Title Δ
If specific string is not included, I want to make some value=0 +0.47
R column matching 0.00
Split Dates by intervals in R +0.72
counting occurrence of particular letter in vector of words in r +1.27
Clearing extra unnecessary data points from arrays (NAN) -2.58
How to count every time values in two columns are both NOT NA? +0.49
Average across some rows in R +0.21
converting multiple rows into a single row based on specific condit... -0.03
ggplot: shaping data for a scatterplot -0.59
Getting rows where there are multiple of the same value -0.82
R split column by fixed width +0.57
Filter/Subset data in R to give column names for each value less th... -0.01
Using paste in R +2.03
Standardize a column from a data frame based on a criterion in R -2.61
connecting 2 columns in R isnot working 0.00
subset dataframe by column groupings +1.40
R: Subset by Latest Date +0.94
Selecting top N values within a group in a column using R +0.96
how to parse certain sections of a csv with R 0.00
get desired rows from matrix in R -0.91
splitting a column delimiter R -0.05
Transforming rectangular matrices to square matrices in a loop 0.00
Extract pattern from string 0.00
Determine average for vector with different factors -0.31
The paste() function and ordering levels of variables -0.23
R: Count number of values from one column according to values in an... -0.67
Is there any package and function that produce this image in R? +2.19
how to split a complex string into its components so inorder to for... 0.00
Collapse data frame into single row and creating new columns based... +0.47
R Cumulative sum by factor with sum 'reset' -2.08
reshape data frame in R 0.00
R: How to find non-sequential elements in an array +0.94
R function to assign value based on multiple columns 0.00
subsetting matrix observations in R 0.00
Subset data after readline function with match to given character 0.00
how can i take out the first two rows of each subject ID 0.00
R: create new variable, the new value are not correct +0.01
matching and counting strings (k-mer of DNA) in R -0.11
How to create matrix from list in r +0.49
How to update R data.frame column values efficiently? +0.00
R: Adding NAs into Data Frame +0.60
How to create a count variable by group for specific values in the... 0.00
Dataframe: column, that checks for each row the value of the previo... +0.23
Eliminating rows with 0 values in R +1.80
How to create a column and replace value -0.03
How do I compute differences between numbers in a list? 0.00
Filteration of 0 counts in all column of metrics and add pseudo cou... 0.00
Accumulating multiple columns of the same type of data in R 0.00
dplyr: summarizing count and conditional aggregate functions on the... 0.00
Dataframe, split by column values and put into new columns -0.52