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Rating Stats for

Jaap

Rating
1662.99 (393rd)

Reputation
58,717 (1,592nd)

Page: 1 ... 7 8 9 10 11 ... 23

Title	Δ
Find and tag a number between a range	-0.43
Data separation	0.00
Transposing data frame based on factor column	0.00
Subsetting data.table based on repeated rows	+1.11
how many distinct variables are represented in each group?	+0.29
Organize .txt file into data frame in R	0.00
Broken R code to select specific rows and cells in text file and pu...	0.00
Remove leading zeros in ggplot2 + scales	-0.30
How to extract parts from a string	+2.15
Assign unique ID to distinct values within Group with dplyr	+1.16
Regex-based string re-mapping in R dataframes	+0.33
Increment count over rows with conditional restarting	+1.26
Select specific rows and cells in text file and put into data frame...	+0.93
Stack two columns	-1.37
Counting the number of occurrences	+0.80
append starting rows as variable to data frame	0.00
Reorder a data frame with duplicated id	0.00
Data pivot transformation	0.00
Calculate groups of column means and standard deviations	+0.33
Creating summary table of user event data	+1.40
Converting column names to row values based on conditional flags	+1.61
Return value for minimum in group of columns	+0.09
Duplicate rows in data frame based on Date	0.00
Extract comments from text file and append to dataset	+0.34
merge two tables by a given rule	-0.36
Convert dataframe column to concatenated string without double quotes	0.00
Set a value if there is an increase of more than 1 in a column betw...	0.00
Convert list of lists to dataframe	+1.48
How to create unique labels for multiple rows in geom_text?	0.00
R data.table column wildcard with sprintf	-2.66
Tidy data.frame with repeated column names	0.00
as.Date produces unexpected result in a sequence of week-based dates	-0.97
combine barplot and grid.table	-0.47
Joining dataframes by dates	-1.20
How to remove duplicates by unique (rowwise) values in two columns	+0.69
do.call and order to sort each row to descending order of a matrix?	+0.34
Output a string as a sentence	-0.42
How to count frequency based on date	-0.67
Cumulative sum ignoring breaks	+1.41
Match by id and divide column values across two dataframes	+1.23
How to get fwrite() not to double quotes?	0.00
Extract month over several years with lubridate	0.00
Apply Perl substitution between two delimiters within a string	+1.33
Change values of matrix where row names equal column names	-1.67
ggplot geom_line for specific factor levels	0.00
Setting a value in one dataframe by looking its value in another da...	0.00
for a date get the friday of the week ending	0.00
Create counter with multiple variables that restart within each sub...	-2.89
How to update variable values in data frame using function in R?	+1.52
How do I clean this dataframe	-0.67