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Uwe

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1496.72 (4,013,663rd)
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Title Δ
R Filling the leading and lagging values in data.table if some cond... +1.74
Performing math across Data.tables by groups with differing granula... +2.10
How to get exclusive count in R dataframe +0.51
R: Saving the Results of a Loop -1.05
How can I complete a data.table column with values from this column? +1.58
How to rewrite my code into from using tidyverse to data.table? -0.04
Separate elements each cell in a dataframe in R -1.63
Want to combine the following into datetime column in R +0.20
Can you store names of tibbles into a list to access later? -0.04
Why is R requesting an additional TRUE/FALSE -1.94
Create column with n random numbers for each unique combination of... 0.00
Merge and Left Join keeps duplicating line items in R +2.14
how to express previous value as product of previous rows 0.00
Date.table solution to create cumulative weekly averages based on c... -2.13
Specifying variables used in regression-formula using a string -0.29
How to iterate over dataframe using character vector and calculate... -1.85
Update outside scope variable with apply function +0.08
Find value of overlapping ranges of integers in R that are NOT time... -0.51
Looping over multiple files using a multi input algorithm with thre... 0.00
loop over 2 datasets in R to match the value of all rows from one d... -0.12
Aggregate Data Frame Containing Strings and Numbers -0.98
Repeat rows then manipulate those rows using data table in R +0.50
Count common sets of items between different customers -0.77
Matching time interval of one event with another event in R -0.50
R data.table creating a custom function using lapply to create and... 0.00
R data manipulation - Rang condition in data.table / dplyr 0.00
Unlisting nested lists and plotting using ggplot 0.00
Better than if else statements: Referring to list element by name i... 0.00
How to transform my code for speed (for loop) 0.00
Most efficient way to perform iterations over a list of dataframes... 0.00
Determine dynamic window width: efficient rolling count of values w... -1.51
How to order rows by conditions in other columns in r? -0.81
How to create column of data marking information in another column in 0.00
Comparing two datasets using data.table -1.20
Find nearest range for a time that does not overlap existing ranges -1.01
How to compare grouped duplicate rows in R +0.51
How to merge two data.tables with complementary column data in one... -1.17
Automisation of creating new variables based on the distribution of... 0.00
For each row, find column which is closest to a specified value +1.57
R: Using dplyr to count number of occurence 1 hour ahead +1.24
Using .SDcols and .SD with two groups of columns in data.table +2.49
Save results in nested loop using a function -0.77
Vectorize function / increase calculation speed in data.table 0.00
convert a irregular time series of a data table with factors into a... +0.18
Create class column in data.table given a numeric vector -1.19
applying cut() on R dataframe daywise -2.05
Merging Data into a long data frame 0.00
cast/spread 2 columns based on one shared factor -0.38
R merge two datasets based on specific columns with added condition +0.95
Summing the difference of all values of one vector that are less th... +0.52