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ThomasIsCoding

Rating
1498.73 (3,826,018th)
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43 (1,121,033rd)
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Title Δ
Add a unique identifier to the same column value in R data frame -0.93
I need to create a function in R for mean without using the base fu... -0.96
How to convert data into a matrix using index numbers -1.43
R Faster way to create lag by entire group using data.table +0.00
R iterate over consecutive pairs in a list -1.42
How to add value into new column based on corresponding value in an... -0.01
Trying to create a data frame with all possible combinations of N c... +0.45
Bind dataframes in a list two by two (or by name) - R +2.17
Coding challenge: Calculate sum of col values if rows in other col... +0.51
Replace values with a "translation" from another table +0.47
Iterative equations in R -1.27
Replace Unknown values in factor -0.50
How to use "for loop" to get couples of indexes every tim... -0.39
increasing value by one with each occurrence of non-repeated number 0.00
Producing all combinations of two column values in R +2.46
Replace values in a column of a df all at the same time -0.88
R function to see if combinations of multiple vectors match a targe... -0.62
Select only the first two digits of a string of the value that star... -1.46
for loop for every matrices in a list 0.00
difference in behavior of if else and ifelse within the for loop +0.05
How to send mail when multiple email ids are store in one excel cell? +2.48
How to use conditional-stataments as an input in a R function +2.19
In R data frame for each set of rows and column use value that is n... +2.53
Merge three dataframes by two columns, keeping only the largest val... -1.21
Seprarate data in column without adding new column +0.66
How to rename sub-elements of a list using lapply? -0.02
R: Calculate time it takes for a certain change in score +2.69
Is it possible to remove variables with a certain pattern from a da... +2.72
Way to find if a vector is a subset of another vector including the... 0.00
Transpose elements in a column into multiple columns by group in R -0.32
How to string count unique values in data strings +0.52
dplyr mutate ifelse returning first value of group instead of by-row -1.38
How can I use a loop index to reference variable names and create n... -1.31
Mutate a new column based on multiple conditions in R -1.10
Using dplyr count number of special characters rowwise and mutate i... -1.52
How to Insert rows into a single column in an empty dataframe in R? -1.54
Count the sequence of numbers while skipping missing values -0.65
How to pad vectors and matrices with 0s +0.37
Subset dataframe by unique values within a column in R -1.26
What's a concise way of making a data frame with many multiples... -0.80
Delete rows from a data table depending from the values on the prev... +0.03
Going from dplyr to base: create a data frame of the first and last... -0.89
How to create a function that prints the number of identical values... +2.30
Find position of closest value to another value given a condition i... +0.36
merging almost identical row in a data frame in R +1.11
How to split one column of data into two? -0.49
Create a matrix symmetric from long table in r -0.60
Iteration of a recurrence solution in R +0.69
Stacking columns by pair in R +1.52
How to rbind two dataframes in R when one has more columns than the... 0.00