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Uwe

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1496.72 (4,013,663rd)
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24,370 (5,280th)
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Title Δ
For each item in Dataframe want to loop automatically 0.00
How do I tag when rolling joins take effect in data.table -0.97
regexp R - extract string between commas -1.26
Filtering observations based on specific date condition using data.... +1.35
extracting one set of multiple variables in a list of data.frames i... -1.87
Fill NAs in R with zero if the next valid data point is more than 2... +0.38
How do I do a running total with a conditional reset from two colum... 0.00
How to create a data frame aggregating the daily ticket numbers to... +2.65
inner_join() with range of values for one of the keys (year) -0.38
Efficiently unpack a list of varying length dataframes +0.29
Updating a data frame's columns based on other columns 0.00
Why does .SD in a data.table non-equi join throws an error occasion... 0.00
R Case statement using both and or in the same statement - between... -0.25
Why in ifelse function with AND statements the wrong results 0.00
How to group time by every n minutes in R -0.54
R Loop To New Data Frame Summary Weighted -1.75
RegEx for a conditional pattern in a string -1.95
Replace NA values depending on specific rules +0.99
How to efficiently check whether a vector of numbers is in an inter... -1.03
Reshape the data from long to wide format +2.52
Keep date and time format consistent 0.00
Group data based on unique ID and then pasting it onto the same row +0.01
How to calculate the fraction of sequence that matches given datata... +0.51
Create new variable with other variables on base of another variable -0.00
Fastest way of joining 2 data tables while summarising the data in... +0.88
ggplot2 with clustered columns 0.00
Calculate the mean between several columns of df2 that can vary acc... +0.37
Lagging data based on condition (non-fix lag) -1.62
Join two tbls of different size by factors in one and position of a... +0.49
Display Date in ggplot as x axis 0.00
How to calculate daily fluid infusion volume with variable infusion... 0.00
Introduce explicit line break in ggplot2 on the Y-axis (boxplot) +1.96
How can I change the shape in geom_dotplot and see all the dot is t... +0.00
Filter dataset based on values existing in another data frame 0.00
How to round to the next hundred in R -1.66
How to create group indices for nested groups in r -0.88
Extracting year and month from Date in R 0.00
subsetting a sequence of data +0.31
Grep text and put in data frame -0.63
how to adjust y-axis in facet_grid in R 0.00
Turning dataframe into stacked percentage bar plot -1.98
plotting multiple charts in rPivotTable 0.00
R efficiency challenge: Splitting a long character vector +1.31
How to combine multiple character columns into one columns and remo... -0.32
Rename variables based on values in another dataframe -0.61
R nested for loop to fill in blank variables until reaching a speci... 0.00
Convert timestamps without adding yyyy-mm-dd 0.00
Reshaping df with dplyr using gather / spread with multiple variables +2.12
Different functions over a list of columns and generate new column... +0.49
Count rows matching a criteria relative to current row +2.38