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Rating
1575.13 (3,482nd)
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32,295 (3,688th)
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Title Δ
Subsetting data with a vec +0.89
Names of the columns in R +1.49
Retrieve/replace column value from subsequent rows using specific c... -0.06
How to fetch numbers from a character vectors in R? -2.49
Comparing two dataframe in r -2.50
To find diff between 2 vectors 0.00
Find percentage in non zero columns -2.10
How to take a word and create an indicator variable based on the wo... +0.01
filter data frame based on new data frame 0.00
Select multiple rows conditioned by ID and other condition given in... +0.44
How to identify columns that are sums of other columns in a dataset -0.11
Replicate each row and change one column into binary values +0.41
combining rows with dplyr when number of columns is unknown 0.00
Reordering column names 0.00
Extract a substring from a string, as well as the remainder of the... +1.01
Consecutive Sum of a Vector +1.01
Count repetitions of a variable length sequence across data subsets -0.59
Count the occurrence of ''reverse'' strings match i... +1.05
Aggregating time-based data of multiple patients to daily averages... +0.98
Insert n values in dataframe where n is described in other list -2.40
Create unique id for each binary section -2.51
How to replace / rename rows given some pattern in string? 0.00
average of first, second...nth elements of a nested list 0.00
creating and populating new columns in a Dataframe based on values... +0.33
Add value from previous row under conditions -0.49
absolute value of column in list of dataframes 0.00
Remove all rows from dataframe where multiple conditions are not me... +0.39
How to remove NA pattern from string +1.96
Finding the max per grouped variable and convert in new variables -2.50
Unite lists of named num in R +1.94
Assign value to new column if another column has exact string +0.12
Compare two columns of strings for row-wise text match 0.00
How to condition a computation and then add al computation done in R? 0.00
mutating column values based on multiple condtions -0.10
R - choose the number which appears most in a row -0.61
Select rows satisfying condition on two variables jointly in dplyr -0.60
Replacing dates in a character vector to a specific format -0.59
Averaging dataframe based on current row-value and preceeding rows +0.08
Check if value is in data frame +0.79
change string based on condition +0.40
check whether steps in a counter variable are missing +2.18
Make values of row (different names) into column -- complicated spr... +0.93
Multiple conditions in loop 0.00
How to change certain words into the tagged forms of training lists +0.39
Populate vector down or up with unique element value (like na.locf) 0.00
Store the output of a loop inside a function into a vector or data.... +1.46
Replacing an empty cell in one column based on corresponding value... +0.82
Aggregate over time every minute with duplicates 0.00
Add column across rows condtionally +0.93
Seeing if all values in one dataframe row exist in another dataframe 0.00