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Rating Stats for

Frank

Rating
1617.40 (1,172nd)

Reputation
57,070 (1,677th)

Page: 1 ... 23 24 25 26 27 28

Title	Δ
reading dates from xls to csv through Perl	0.00
R remove quotation mark in column name of the data frame	-0.79
Helping Reduce handle single column arguments	0.00
Replacing for-loops in R	+0.03
Transposing rows of unequal length into one column	+0.10
cannot manipulate a column in a data.table	0.00
add missing rows to a data table	-0.47
R: number rows that match >= other row within group	0.00
R Tuple %in% Operator	+0.01
Simulate binomial distribution by column	+0.51
R data.table Return calculation and set()	0.00
Assigning names in a list using variables?	+2.42
Efficient Manipulation of Time Series in R Data Table Package	-1.71
How to write for loop when function increases with each iteration?	-1.10
How do I apply a function using comparisons of data in two or more...	+0.00
Turning a dataframe into a graph in R	-1.64
data.table group by with a filter condition	-0.46
R - indices of matching values of two data.tables	-1.62
remove rows that are same on one column but different on another fr...	-1.04
Using data.table to aggregate	0.00
Subseting data frame by another data frame	0.00
Generating normal distribution data within range 0 and 1	-0.58
Why does sapply(...,function(x) print(x)) return two copies of its...	+2.17
The complicated group of regular expression in R	-1.85
Match values in each group of a data.table column to values in a ve...	+0.20
Change data.table values in one column for multiple rows	+0.50
selecting data.table rows using a function	-0.03
Calculate new data.table columns by row values	+1.95
How to aggregate a data.frame on both row and column names based on...	+0.45
new column value in data.table for ID using quantile bins	-0.73
Match rows on several variables efficiently - exclusion of columns	+0.24
Dynamic arguments to expand.grid	+0.54
How do I print values in a list that are greater than a certain num...	0.00
R - Create a data frame with random numbers in each column	+1.78
R View() does not display all columns of data frame	-0.54
R: how to declare list object with M elements	-0.02
Listing dataframes of different sizes from a loop	0.00
R Find middle number and add ID in data.table() and cut()	0.00
R get vector from data.table	0.00
sort column by variable name then loop in each variable	+0.45
R for() loop to check if a number is between two others and add an ID	+1.28
Convert a melted matrix to a matrix in R	+0.11
Increase performance - getting rid of .SD?	-1.37
Trim whitespace from data.table column	+0.10
divide dataframe into subgroups based on several columns successive...	+0.53
generate a random vector with specific number of negative numbers	-1.09
R: How to aggregate data but keep informations from non-aggregated...	-1.77
How to calculate the mean of one variable (sales) in respect to ano...	-0.25
splitting comma separated mixed text and numeric string with strspl...	+0.14
How to optimize for loops in extremely large dataframe	-1.30