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Uwe

Rating
1496.72 (4,013,663rd)
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24,370 (5,280th)
Page: 1 ... 9 10 11 12 13 ... 24
Title Δ
Looping all Variables in Data.table to create n-lags +0.51
Data table from raw text file: number of columns vary 0.00
Create a new row containing column sums for every data frame in a l... +0.56
Reshape Count Data using R +0.50
Replacing week/month times as strings with time in years? (R) -0.65
Select sub-dataframe between two values -0.14
Insert Column Name into its Value using R -1.09
Merge data based on nearest date R +0.01
Create new column with most recent date +0.33
Replace NA value with next or previous non-NA value conditional on... -0.17
How do I count across a date range in an R datatable -0.16
Reshape wide data to long with multiple rows using data.table 0.00
Finding the Highest Frequencies in multiple columns 0.00
Find Highest and 2nd Highest value of row and Save Column names in... +2.54
Remove groups that contain certain strings +0.24
Special grouping number for each pairs 0.00
R: Add breaks in x-axis (date) in ggplot timeseries plot 0.00
Get days between start and end date without weekend and + - span 0.00
Get the limited rows on date range from dataframe in R +0.52
ordering responses based on individual dates -1.48
Speed up complex loop and group by in R for large data set 0.00
how to subset data frame if all the conditions are met? -2.30
R data.table sum of group subset using dates +2.07
A special case of dcast in R 0.00
Merge Rows by ID and Date 0.00
R data table interval calculation by column 0.00
How to convert character to Date format in R? -0.65
How to reshape each 5 consecutive values to one row and append date... 0.00
Trying to convert the date which is in character format -0.52
Make date out of year and repetitive sequence of 1827 days -0.51
Recode values within group +1.52
Unique values in data.table list in R 0.00
Parsing date and time using base R -1.02
Usage of multiple keys in data.table to obtain a conditioned search -0.41
How to group data.table by several columns consecutively 0.00
Reshape data within groups - groups in a single row +0.42
merging large data.frame to fill missing hourly dates 0.00
Creating Column Based on Date Order, Rotating Dataset R -0.05
Is it possible to rename a "by" grouping variable in data... 0.00
How to append unique counter column to a data frame +1.07
How to replace incorrect dates by using data from a different colum... +0.48
creating dummy variable based on event date within certain time-per... +0.49
Increasing Year count every January 0.00
building efficient for loop for user defined function: data.table +0.54
data.table by = xx How do i keep the groups of length 0 when i retu... +0.92
Filtering rows in a dataset by columns +1.70
Spliting column into multi-columns +2.35
Date condition in R language only formatted till 1/12/2011 0.00
Filling missing values with monthly mean -0.61
Count number of rows in window around timestamp +1.20