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Rating Stats for

Uwe

Rating
1496.72 (4,013,663rd)
Reputation
24,370 (5,280th)
Page: 1 ... 4 5 6 7 8 ... 24
Title Δ
Changing date range into series of dates (wide to long) -1.00
Rolling sums across date range on data table by group in R -1.35
How can I populate a new column with averages of the previous 3 row... -0.65
Select and combine rows from two data frames with different columns... -0.52
Need to Convert from Wide to Long +1.94
Spread observation which starts in one time over multiple rows to t... -1.65
Reshaping wide to long with multiple row -0.52
Adding a column according to norm data in R -0.51
How to test for multiple conditions in if else flow control in r -1.68
Select rows with all longitudinal measurements -1.13
Merging columns with a key that tells which column should be priori... +0.93
Structuring a large text file into a dataframe using R -0.51
R: Ordering data in a cell of data frame +1.68
Datetime comparison using data.table +0.50
Calculate recovery time to a condition in time series in R -0.49
How can I transfer to a "tableau" format in R? +0.32
Trying to integrate over discrete points from a data frame +0.30
Finding column with closest date in R with dplyr +0.01
How to do a complex wide-to-long operation for network analysis 0.00
Create data frame, matching based on first elements of a list -1.09
Subset dataframe by many factors at the same time in R -0.41
Assign identifier values that include an original name in R -0.51
Data Table: Grouping based on intervals where first and last rows s... 0.00
Analyse time difference between events in repeating sequence in R +0.53
Split multiple inconsistent columns into rows in R +0.02
How to reorder a factor based on a subset (facets) of another varia... 0.00
Reverse the order of a stacked bar graph - while highlighting in gg... +2.37
Insert blank row between groups and maintain original order -1.59
Calculating difference that starts over when a two-level factor alt... -0.53
Averaging row and column cells from multiple data frames +0.72
How can I test if a value in one row is unique comparing with all p... -0.50
How to plot a wide data file with confidence intervals -0.50
How to map a dataframe with a list column (to be mapped) and an id... +0.16
create groups from data with duplicates such that each group has a... 0.00
Find missing values by linear interpolation (time serie) +0.49
Nested ifelse statement in a for loop -1.25
Efficient way to calculate date-by-date rolling aggregation of the... 0.00
picking 10 highest values from each column in data.frame and plot i... -0.22
Counting sequence of numbers in a dataset 0.00
Subset a list of lists acording to names +0.00
how to force geom_smooth render for ggplot? +0.49
Convert two ggplots into one -0.70
Plot time series with known error (ggplot2) -1.77
Map one Dataframe to a second Dataframe -1.83
Label max/min values in a scatterplot in ggplot2 r 0.00
Subset a data.table to get the most recent 3 or more rows within a... +2.28
Matching pairs that occur in multiple rows +0.14
Multiple functions over a list of columns and generate new column n... +1.61
Can't add geom_point to line plot with stat_count 0.00
How to select the sequence of selected month like April to Septembe... 0.00