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h3rm4n

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1521.12 (29,783rd)
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3,229 (52,328th)
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Title Δ
How to do a dplyr inner_join col1 > col2 +1.78
How can I extract a range of rows from in a matrix finding specific... -0.22
R - How to search for a string in an array of strings +1.76
For-loop produce NA into data frame with using seq_len or length in r -0.55
R: Merge data frames based on substring match 0.00
Tidyverse R: how to change a tuple-table into straight tibble? +2.63
Plotting subset os subset in R -3.54
In R: Sum rows for new dataframe +3.56
Aggregate Inserting Strings -4.06
What is wrong with my function and for-loop? -0.49
how to combine multiple columns with grep and sum the values in r -3.08
Merging two dataframes on multiple columns +3.53
How to generate new variables based on the name of the variables in... +3.76
Add column with custom value to dataframe +1.44
Cumulative function for a specific range of values 0.00
Assign vector values to one another +3.65
dplyr's filter not working on lubridate's timeformats? 0.00
How to create a new data frame with the rows for specific dates fro... 0.00
Delete all times less than a specified value +3.72
str_replace_all by position, applied over a vector -3.92
max.col with the value not the index -3.27
ifelse function accepts the output of an if-statement as a returned... +1.50
Data management: how to add variables with conditions 0.00
How to add key-value pair like dictionary? -0.73
Splitting columns of a dataframe to merge a repetitive variable +3.78
chr values as variable in for loop R 0.00
how to vectorize the args of a function in R? -4.40
Want to cast unique values into first/second/third variables +3.64
Count cells greater than 0 by group +3.19
sum by group including intermediate groups -0.41
Expand grid of all possible combinations within groups -4.23
How to identify the maximum value that is 2 times higher than next... 0.00
Replace values in row of a data.frame by values of corresponding ro... -0.74
Changing colour of as.factor ggplot in R +3.59
Creating lagged (t-1) independent variables in Panel data -4.76
How can I filter out coordinates (lat, lon) in a data.table? +3.28
Replace NA each column based on another vector using dplyr +3.32
Extract values ​from a string +1.57
Creating a new column conditional on the character values of two ot... +0.43
Linear Regression - Append Predicted Values to Same dataset +3.59
Proportional barplot in R +3.79
How to map names of factors having identical levels but different l... 0.00
List to dataframe 0.00
How to extract all the columns from a data frame based on a column... 0.00
Data Import and cells as variables with quantities 0.00
Convert list of vectors to data frame +2.90
Loading multiple .dta file -2.21
Can't load a lot of .txt files from a directory 0.00
Modified the code for grep function -4.03
In R, looking for better way to get the max value out of subgroups... -1.39