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Rating Stats for

Arun

Rating
1646.88 (617th)
Reputation
97,405 (767th)
Page: 1 ... 11 12 13 14 15 ... 26
Title Δ
Sum of all the rows in R without duplicates 0.00
Turn vector output into columns in data.table along with other colu... +1.71
R - Join on data.table, selecting a different column based on value... 0.00
Efficient way to get location of match between vectors +1.21
Factor as date to numeric 0.00
Add new item to ggplot2 legend +1.32
R split text string in a data.table columns 0.00
combining join with "or" in data.table package +0.58
Check for matchings in R +1.75
R grouping by condition in data.table +1.50
R data.table fast grouping for different column -0.34
create new vector from existing vectors by using "rep" 0.00
Flexible functions R -2.40
R: extract part of a filename +1.26
Keep format width in scientific notation +1.40
Find the number overlap between two data frames -0.63
Reorder levels of facet_wrap using ggplot 0.00
Reshape long structured data.table into a wide structure using data... +1.05
R - converting dot-dot-dot in a formula +0.91
calling function on list of lists -1.21
finding max number of consecutive 1 in a string? +0.42
Is there any efficient way than rbind.fill(list)? +0.32
Is there any efficient way than rbind.fill(list)? 0.00
substring + get words around a keyword -0.10
Data table error "maxn (N) is not exact multiple of this j col... 0.00
replace values in a column with values ordered -0.11
Extracting a specific word using gsub and regex +1.42
How to call a function that returns multiple rows and columns in a... +1.87
Deleting points of a certain value in a line plot in R +1.01
Convert complex list of lists to list of data frames 0.00
Combine lists in R 0.00
Remove list from lists in list if length 0.00
reshape of a large data +1.76
Get row.name after grouping with data.table 0.00
How to extract a string that both matches some pattern and rests be... +1.45
Weighted sum of variables by groups with data.table 0.00
Exact string match 0.00
for each row, return the column name of the largest value +1.34
Why is DT1[DT2][, value1-value] faster than DT1[DT2, value1-value]... 0.00
Can I access repeated column names in `j` in a data.table join? 0.00
R: Split dataframe by levels of a factor and name dataframes by tho... +1.57
R apply odd behaviour with NA -2.15
most efficient way to find differences? +0.32
ddply for creating the union of lists 0.00
creating a data.frame whose column will hold a list in each row +1.45
R - Convert a column of factors into binary characters without loss... +1.54
sorting a multi column data in R 0.00
In R, how do I locally shuffle a vector's elements +1.48
When to use pairlists in R? 0.00
Retrieving subset of a data frame by finding entries with NA in spe... -0.19