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Jaap

Rating
1662.99 (393rd)
Reputation
58,717 (1,592nd)
Page: 1 ... 10 11 12 13 14 ... 23
Title Δ
How to change few column names in a data table 0.00
Ifelse statement for multiple, alternating conditions +0.38
error with lubridate formatting when performing conditional assignm... -1.26
Group axes values in ggplot2 +0.37
ggplot2 add offset to jitter positions -0.16
make a more efficient loop in data.table file +1.34
Concatenate/paste strings of varying length according to index in R 0.00
Find all sequences with the same column value +1.27
Calculate amount of occurences for column per category +0.39
Excluding a number of answers from a R dataframe +0.04
String splitting in R data.table column produces NAs -0.24
R: How to refer to a column of a data.table by its position, in a s... 0.00
logical to factors (or strings) in data.frame -0.45
Create a chart from different data 0.00
R - Cleaning a broken CSV file +0.39
Merging rows within a data frame and merging columns between data f... 0.00
Repeated subsetting can you make this process faster 0.00
Convert integer as "20160119" to different columns of &qu... -0.22
R data.table: Sum by all existing combinations in table 0.00
Missing time values in R - memory issues 0.00
How to pull specific field from a R-based data.table based on multi... 0.00
remove legend entries and facets when all data are NA 0.00
na.locf remove leading NAs, keep others +0.39
reshape a dataframe with tidyr or reshape2 -0.74
R ggplot too many labels 0.00
Sort table unique parameters +0.40
sharing 2 data tables through sendmailR 0.00
how to replace values by comparing two columns in r -1.03
Order elements in data frame based on their appearance 0.00
Draw lines between all the coordinates in a plot +1.75
Automate tick max and min in faceted ggplot +1.58
Add a legend to the ggmap 0.00
Add customized labels over bars in ggplot 0.00
converting character to date with time zone using looping functions... +0.39
Merge, cbind: How to merge better? -0.61
Reading Textfile that has Data like Col:ColData 0.00
How Should i calculate the balance Using R code 0.00
Loading files with fread -0.45
Subsetting a data frame to the rows not appearing in another data f... -0.32
Add character vector based on reference data frame parameters 0.00
R Check if Posixct time is within interval +1.06
within-group differences from group member +1.72
Splitting rows with uneven string length into columns in R using ti... 0.00
Obtain number of days by different months using 2 dates +1.12
Calculate column-wise proportions of different elements with differ... +1.17
R - How do document the number of grepl matches based in another da... 0.00
Prevent expansion of guide_colourbar 0.00
Replace values in some rows based on other dataframe mapping with R -2.41
Repeat values in fixed number of rows in dataframe in R +0.39
Using fread to read data with double quotes and incorrect escape ch... 0.00