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Rating
1575.13 (3,482nd)

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32,295 (3,688th)

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Title	Δ
Keep only numbers before the FIRST hyphen AND the hyphen itself	-1.04
Append value in df rows	+0.46
dplyr: pipes inside of summarize after group_by	+1.93
in create a new variable with the max or min of another variable --...	-0.33
Get the column number per row containing specific character in R da...	-1.99
Splitting Association Rules output text files into column	+0.48
Aggregate stock data by date from another data set	+0.48
apply a function to all all rows of certain columns in R	0.00
Searching strings to ignore multiple matches	-2.34
Optimizing the R code to write a record if a substring is present i...	0.00
Spliting string with a specific pattern	+0.45
How can I summarize two rows into a new one in a data frame	+0.08
Data frame column vector manipulation	-0.83
R: dplyr group by date range	+1.90
Is there a way to multiply two columns in R like this, ex. 17.5 x 4...	-0.54
extract characters from the variable	+0.21
how to train a regression model on different group of rows in a dat...	-0.53
How to get unigram and trigram only?	0.00
process destination string from log file to extract relevant data?	0.00
Most efficient way of avoiding loops to create data.frame	+0.09
Extract the unique rows with maximum value in another column in R d...	+1.21
How to call a column based subset of a data.table without it automa...	-0.32
Creating a loop in R which also changes the column name	+0.47
How to plot lines for the count data in R?	-0.03
R: merging columns and the values if they have the same column name	+0.40
R cSplit only using first delimiter in string	+0.48
Create new Categorical variable based on a subset of data	-0.42
Pivot, group or aggregate data frame	-1.67
R: truncate strings to a word	-1.04
Detect digits within character string of specific form in R	0.00
Keep min value of two or more observations in R	+1.79
Find the minimum index of a vector where the user input value is gr...	-0.31
R Conditional Value Allocation Based on Maximum Value across Two Co...	0.00
For an hourly data, Getting maximum value for each day	+1.19
Mapping values between data frame in R	+0.47
Transposing of Dataset	+1.75
R: Aggregate character strings	-0.06
R get correct index using which() condition	-0.29
Calculate average temperature (derived from other dataset) over sta...	+0.36
R: gsub, match and remove	0.00
R: header/colnames not taking the values from 1st row	0.00
How can I count average temperature every hour in many different co...	-0.03
Extract characters within brackets "[" and "]"...	+1.22
order strings according to some characters	0.00
Reduce a matrix to a vector using tidyr in R	+1.99
Define a dummy variable based on binary code in R	0.00
R - Optimizing loop operation on long table format	+0.09
Spreading over a column in R	+0.74
Replace loop with apply function	+0.47
R: Finding out the corresponding value for a category in a data frame	+0.48