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Rating Stats for

Uwe

Rating
1496.72 (4,013,663rd)

Reputation
24,370 (5,280th)

Page: 1 ... 16 17 18 19 20 ... 24

Title	Δ
how can I make a data frame from a list with different row size?	-0.83
My objective is to predict the next 3 events of each id_num based o...	0.00
How to get first word of strings in columns and get the levels of it?	-0.00
merge list of data frames by different ids	-0.82
Reduce memory footprint of data.table with highly repeated key	+0.98
Counting within a period of time	-1.04
Fill a column with values from a table (or matrix) given certain co...	0.00
How to use this date of tall array in R ggplot2 Date x-axis order?	0.00
Aggregate variables in list of data frames into single data frame	+1.30
Combine two dataframes conditionally with dates	-0.50
How do I melt/gather multiple variables (error bars) into one for m...	0.00
Make all elements unique in a dataframe	-0.42
Summing Contingency Tables in R with first column as character	+1.86
R remove all but the first occurence	-0.74
multiple if loop condition and priting the output in a column	+0.49
making list of vectors in R	-0.22
Add columns of frequency counts for each level of factor level and...	-1.26
Creating a new table that shows the percent change between two diff...	-1.15
Reshaping from wide to long data while collapsing variable values f...	-0.87
fread() with dataset when there's missing column	+0.50
Need help speeding up a dplyr aggregation	+0.35
Loop over columns in DF and calculate sum based on condition for ev...	-1.19
Converting data from wide to long for two variables	+0.48
Efficient creation of a matrix of offsets	-2.06
Creating new column based on the other columns blank values in R Pr...	+2.30
Unlist column in data frame with listed	-0.55
Summarize and generate multiple variables in a loop	+0.42
Translating Conditional Sum from FORTRAN to R	0.00
Find a cumulative sum of one column until a conditional sum on anot...	0.00
Match rows between dataframe and replace with a value in another co...	0.00
Replacing values in multiple columnns R	-0.39
Graphics error: Don't know how to automatically pick scale	-0.49
Split multiple comma-separated column into separate rows	+0.18
How to update values in a dplyr pipe?	+0.65
How to select folders containing only one CSV file among a large nu...	+0.00
Convert data with one column and multiple rows into multi column mu...	+0.37
Fill NA values in a vector with last non-NA value plus the values i...	+1.11
Use lapply to create new variable over multiple data frames	+0.51
Fast and efficient way to expand a dataset in R	+0.45
Filter dataframe with multiple conditions	-0.51
R average over ages when some ages missing	-0.50
How to populate one large dataframe with the contents of another wi...	-0.53
R- Applying a function to each possible pair of rows from two diffe...	+0.01
How to change x axis from years to months with ggplot2	+0.49
Convert binary survey results to character vectors in an R data frame	+0.50
How to show all the values in each level in r?	0.00
Single row per id to multiple row per id	-0.47
Alternative to for loop in R for adding data by matching two variab...	-1.58
How to Duplicate Rows Based on Character in a String of Multiple Co...	+0.73
Merge rows values in data frame based on column value	-0.91