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Arun

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1646.88 (617th) 		Reputation
97,405 (767th)
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Title Δ
Why does gdata:::reorder.factor behave differently from stats:::reo... 0.00
Replace vector elements that are smaller than previous ones (with NA) -2.24
how to subset a data frame based on two consecutive column values i... 0.00
Find all adjacent combinations -0.09
What is the purpose of setting a key in data.table? +0.30
R: count consecutive occurrences of values in a single column +1.73
Inequality based conditional cumulative sum in R +0.31
Why is "by" on a vector not from a data.table column very... 0.00
Automatically creating and filling data frames in R 0.00
gdata:write.fwf Issues With data.table 0.00
R Example - ddply, ave, and merge -0.76
remove rows that are same on one column but different on another fr... +0.13
Create several new derived variables from existing variables in dat... +1.36
Can data.table handle identical column names when using .SDcols? 0.00
Finding overlapping ranges between two interval data +1.01
Dynamically subsetting a data table -0.20
rbindlist data.tables wtih different number of columns 0.00
Group by variable in data.table and carry on other variables -0.09
Row-wise manipulation on large dataset +0.81
element-by-element multiplication within a data table - Multiple va... -0.26
R multiple statistics for multiple columns with data.table +1.52
Grabbing object names from within a function -0.47
apply function to return a data.table, or convert the list directly... 0.00
R - cumulative sum by condition +0.30
How can you read a CSV file in R with different number of columns -2.39
head and tail doesn't take negative number as argument for data.tab... 0.00
selecting only the 0s and the first 1 from a sequence of many 0s an... +0.44
R: Update with value of previous row (subject to condition) +0.31
Splitting a data.frame by a variable +1.48
How do I self join a data.table in a manner like dcast 0.00
Convert list to dataframe in R when dataframes in list are named NULL 0.00
Converting multiple data.table columns to factors in R -0.69
How can I flatten two lists within a list without using data.table? +1.67
Is it a bug in data.table and integer64 I found 0.00
How to extract a number into digits using R? +0.10
Using R: Make a new column that counts the number of times 'n' cond... +0.64
Rename columns in multiple dataframes, R 0.00
In ggplot2, how can I change the border of selected facets? 0.00
Modify color scale legend guide to match line size in ggplot2 +0.32
Bind a data.table and a vector +0.31
merge-like scenario with two data.tables +1.77
Operate in defined number of rows of a data.table +1.31
Force facet_wrap to fill bottom row (and leave any "gaps"... 0.00
How data.table sorts strings when setting key +0.32
How to plot additional statistics in boxplot for each group? 0.00
R-Find missing values from the dataframe and insert value in that p... +0.29
Why can't I used FUN in lapply when grouping by using data.table 0.00
Applying outer to columns within a matrix -0.71
R data.table finding the mode for a group of data +0.80
Why is transform.data.table so much slower than transform.data.frame? +1.19