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Rating Stats for

joel.wilson

Rating
1515.12 (44,850th)

Reputation
6,217 (26,189th)

Page: 1 2 3 4 5 6

Title	Δ
Merge rows with duplicate IDs	+2.14
Return only the first instance of a variable based on another	+1.03
Means within each group with more than 1 column of group indices	+1.32
Filtering out the data frame whose row dimension is zero in R	-1.86
Adding data by row into an empty matrix and handling missing data	+2.17
Convert a data frame according to formula (R)	0.00
Adjusting the x-Axis and Bins when Making a Histogram with Ggplot2	-0.50
Replacing NA in column with values in adjacent column	+2.19
Finding the Date Difference	+1.95
return pandas dataframe column with substrings of another column	-1.12
replace '?' with Nan or zero	-0.40
Collapsing Values based on Condition (Not just only using Group By)	+0.20
Pandas: find most frequent values in columns of lists	+4.05
how to use nest() in tidyr to collapse several rows	+4.41
Passing value in pipeline operator	-0.97
Serial number generator in R	-4.39
Size of execution enviroment of function in R	0.00
Select items of list of strings that contain certain characters	+4.50
How to sum one column based on another column	+0.00
R - Select and return column value based on value in another column	0.00
R Warning: newdata' had 15 rows but variables found have 22 rows	0.00
R remove last vector from all elements in list	+0.50
How can I replace a data.table column with a sequence that depends...	-3.54
Basic R programming error	-4.10
r replace character values in a column with the lowest numeric valu...	-3.81
Check if column 1 value appeared previously in dataset with a diffe...	-1.01
in R, how to calculate mean of all column, by group?	-1.34
How do I clean this dataframe	+5.39
For NA in one column; cannot change factor levels of another column	-1.21
calling variable name of a dataframe inside functions in R using &q...	+4.48
Find most recent record by date, based on other criteria	-1.48
R Conditional standard deviation	-1.74
Remove duplicates in string	-3.56
Obtain the specific range that overlap	+4.17
Remove certain words in string from column in dataframe in R	-4.14
combination of pairs of columns BUT not rows in a data frame	+4.16
Reshaping Dataframe to have top 2 values	+4.35
How can I create nested lists from data table in R?	0.00
Create a unique id in R by concatenating three lists of strings	-2.16
fill dataframe column equally	-1.91
Import many .csv files into one dataframe and add column based on n...	0.00
R - New column based on previous columns, for multiple similar vari...	-1.32
How to include calculations in apply or rowsum?	0.00
How to check if a row is a subset of a data.frame?	-2.75
Calculate Mean for Parts of time Series	+4.04
R: How to delete a particular row in a matrix?	-1.47
R - Calculating a Running Total of Team Size by Location for each M...	0.00
Summing over variables with certain pattern in dplyr mutate	+3.58
Subtracting the last data with zero and the first data with 1 after...	-1.09
Apply Function to create dataset from the dataframes column	+0.27