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Rating Stats for

Uwe

Rating
1496.72 (4,013,663rd)

Reputation
24,370 (5,280th)

Page: 1 ... 13 14 15 16 17 ... 24

Title	Δ
Extract rows of data frame with values between two other values	+0.51
Collapsing a data frame by factors with multiple criteria	0.00
Grouping data by custom range in R (for example, 0-4, 1-5, 2-6, 3-7...	+0.25
data.table join with date	+0.00
R: Reorder factor levels with data table (for use with Plotly)	0.00
Find whether current date is same as previous date	0.00
Unconventional data frame reshaping	+1.50
How should I use nested ifelse statements?	-0.78
counting after and before change in value, within groups, generatin...	+2.71
R "explode" columns of a dataframe	+0.14
Remove duplicate outcomes, when outcomes are strings and not in the...	-0.22
Creating unique groups in sequential data that repeats through time	+2.11
Subset dataframe after first encounter of a specific string	+0.73
Break up each dataframe row text into five even chunks of text	-1.61
Complex join of longitudinal tables in R	+0.01
How to apply a function row-wise having if-else condition using dat...	+1.27
Paste a list to a vector, repeating the list for each vector level	-0.48
Paste a list to a vector, repeating the list for each vector level	-0.48
Conditional non-equi join	-0.91
Running count of rows between dates in R	+0.02
Removing a row does not change change output of length() and levels()	+0.08
Converting numerics with different length (day = 1-31) to date-format	-1.51
How to sum multiple dataframe's variables by month	0.00
Subset data frame where values are greater than another data frame	0.00
Joining two dataframes by concatenating columns	+0.17
Create a new column with mutate according to conditional values	-1.27
Cross-check for duplicate values across dataframes	+0.01
Mean of data.table column values as specified using a matrix	-1.85
Finding each time of daily max variable in climate data	-0.48
Convert 2 column r data to heatmap	0.00
Combining header (in a separate txt file) and data (in a separate c...	+0.51
Extract observations based on rownames and range of colnames	+1.39
Replace value using lookup in data.table	+2.04
Modify the column value by other columns in r	-2.04
Join tables based on multiple ranges in R	+1.19
Inserting rows into data frame when values missing in category	-0.51
R: Apply row-wise replacement in data.table conditional on value in...	+0.52
Aggregate timeseries intervals by hour	-2.00
Aggregate timeseries intervals by hour	+2.00
Creating a new column based on two old columns in a data frame	+1.38
Removing infrequent rows in a data frame	-1.89
Ranking multiple columns by different orders using data table	0.00
Strings in ggplot x-axis	+0.02
Dynamically create new columns in data.table	+0.51
Selecting only those levels of a factor which appear in each level...	-0.75
Find groups that contain all elements, but do not overlap	+1.28
Find groups that contain all elements, but do not overlap	-0.97
Element of vector to different columns of data frame	-1.50
Data table dcast column headings	0.00
Getting a count of specific values in a data frame that appear in a...	+0.14