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Rating Stats for

Henrik

Rating
1587.03 (2,504th)

Reputation
43,889 (2,440th)

Page: 1 2 3 ... 16

Title	Δ
Does R have a distinction between character vectors and strings?	0.00
Data management: flatten data with R	-0.01
Fast way to compare concatenated string with values in vector	-0.97
Multiple matches nearest roll join with data.table	0.00
Create boxplots from separate data frames with different number of...	+1.89
Hyphen (`-`) in R package versions	0.00
Count shared values	+1.02
Group column according to categories in a list	-2.32
Extract duration in years and months from string and convert to mon...	-0.40
Generate random dates in given years	-0.20
Sum values larger than the current value, by group	-0.47
Count common sets of items between different customers	+1.68
Use values from groups before and after certain focal groups	-2.20
Does data.table's `:=` operator really operate by reference?	0.00
Data created from empty data.table causes ggplot error ("repla...	0.00
Consistent positioning of text relative to plot area when using dif...	0.00
Calculate rank based on several columns, with a precedence rule	0.00
Nearest "n" rolling join in R data table	-0.98
Creating a matrix using recycling	+0.14
Determine dynamic window width: efficient rolling count of values w...	+1.51
Filter data highlighted in Excel by cell fill color using openxlsx	-2.33
Delete runs of certain value before and after specific value	0.00
Within-group operations in R (not rolling sum)	-0.52
How to extract the word before a certain word in a string?	+1.39
Get runs of consecutive integers of certain length and sample from...	+0.23
Replace a sequence of values by group depending on preceeding values	+1.05
Combining .SD with renamed variable messes with names of .SD columns	0.00
How to plot a mosaicplot for a 1x1 contingency table?	+1.45
Colors of base R plots have changed - can I revert to old palette?	0.00
Calculate part of duration that occur in each hour of day	-0.25
Find and label matching pairs of parentheses	-2.11
Extend runs of certain length	+0.36
dplyr::case_when equivalent on one column by group	-1.32
Find groups of overlapping intervals with data.table	-0.32
Determine source vertices and find all paths to a target vertex	0.00
Linking groups in R	0.00
Fast way to group variables based on direct and indirect similariti...	+0.44
Reorder data with start and end columns into contiguous sequence	+1.90
How to make a star plot with igraph?	+0.29
Join data frames and select random row when there are multiple matc...	+1.17
Usage of palette argument in scale_*_manual	0.00
Annotate in ggplot2 following position_dodge()?	+0.19
Create a binary heatmap based on variables relationship	0.00
Increase line width of border in legend	0.00
Identify groups of n consecutive numbers in a data.table field in a...	+0.52
How to get all combinations of values rowwise in a dataframe	-0.12
R data.table binary value for last row in group by condition	+0.55
Generating distinct groups of nodes in a network	0.00
R How to split a column of strings into multiple columns using a fo...	+0.38
Drawing a contour line around connected cells in a heatmap in R	-0.25