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Rating Stats for

Frank

Rating
1617.40 (1,172nd)

Reputation
57,070 (1,677th)

Page: 1 2 3 4 5 6 7 ... 28

Title	Δ
Compact a data frame by removing some of the NA cells?	-1.64
R: strange behavior in data.table when attempting to operate on a c...	-1.90
Match ID from col1 in col2, take value of that row's col3 if it...	0.00
Delete row if the previous row has same value/string (for each group)	-0.57
combine two data frames or tibbles	+0.43
assign grouping variable based on dataframe rows present R	-0.69
Expand Two Vector Columns	-2.94
Manipulating dates alongside consecutive results	+0.14
How to compare one column to a series of related dummy variables wi...	+0.67
Insert a list as new rows values in 1 column while duplicating the...	+0.27
R data.table: melt() automatically converts to capital letters	0.00
Adding list columns to data tables in R returns inconsistent output...	-1.63
R Data Frame + logic operation	0.00
Count rows over of multiple columns in R	+0.25
Rbind list of vectors with differing lengths	-0.57
Replace values with numbers	+0.15
dplyr create column that calculate percentage based on two columns	-0.48
Replicating rows for each unique group in dataframe	0.00
R Create new variable with conditional statement on first occurrenc...	-1.89
Completing intervals and filling column	+1.30
Count Combinations by Column, Order Doesn't Matter R	+1.33
Calculate metrics for multiple columns based on subsets defined by...	0.00
Conditional rolling string concat in data.table	-0.84
Recursively sum data frames for matching rows	-1.92
Conditionally select multiple items by date range and identifier in...	0.00
How to manipulate two pieces of a column?	-1.53
How to use lapply with a condition in R to fit only one element eac...	0.00
Conditional Replacing with NA in R (two dataframes)	0.00
Wide to Long data with duplication	-2.84
Summarize a factor variable by combinations of second factor variable	-0.99
rbindlist a list column of data.frames and select unique values	-0.39
unable to use lapply with data.table	+1.18
Data table fread with zip file in other directory with spaces in th...	+0.28
Data.table assignment with subsetting dt[, x[.N] := z, y]	0.00
Track time in state variables in data tables in R	+0.28
R specify what week in a month	-0.11
R: efficiently computing summaries of value-subsets whose contents...	+0.62
Replace sets of rows in a data.table with a single row	+0.84
Access list element based on attribute value	+1.00
Vectorization of for-loop for calculations between two datasets in R	0.00
Grouping dates by periods and id using R	+1.48
check if list of dates is within a date range in r	+0.84
Convert quarterly data to monthly data	-1.59
Expand groups between two values and count unique occurences	-0.74
groupby summarise outside of groupby dplyr	+0.86
R Saving function output to object when using assign function	0.00
Debugging a group_by/summarise/do code in R	-0.48
How do I create a panel dataset out of transition date data in R?	+1.57
R: Grouping by columns, regardless of order, then conducting functi...	-0.46
r replace text within a string by lookup table	-2.37