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Rating Stats for

Arun

Rating
1646.88 (617th) 		Reputation
97,405 (767th)
Page: 1 ... 14 15 16 17 18 ... 26
Title Δ
exctract correlated elements of a correlation matrix 0.00
read.table reads "T" as TRUE and "F" as FALSE i... 0.00
Summarize a data.table with unreliable data +0.36
How can I vectorize access to neighbour vector elements in R? -0.64
Recode categorical factor with N categories into N binary columns +1.11
Find common substrings between two character variables +0.68
Apply() function to a data frame +0.91
Adding maximum values from different levels to a new column in a da... -1.72
A reshape puzzle in data.table +0.54
How can I "roll up" values into subsequent records? 0.00
Strange lapply problematic I can't understand 0.00
How to make geom_text() parallel to geom_segment() in a log-lin sca... +0.36
Matching data from unequal length data frames in r +1.10
Pairing rows in data.table -0.46
Performing Operations on a Subset Using Data Table -0.63
Create columns from column of list in data.table 0.00
Summarize and Rank Data Frame +0.90
Difference between c() and append() 0.00
minus operation of data frames +1.25
Convert long data frame into wide data frame -0.13
how to avoid an optimization warning in data.table -0.11
Find minimum deviation from vector from a matrix of possible vectors -0.07
select subset of different data.frame columns -0.99
data.table join and j-expression unexpected behavior +1.62
Subsetting data conditional on first instance in R -0.11
combine 2 or more in operator in R +0.38
Transform multi dimensional array into factored data frame 0.00
Collapse sums of elements from multiple sequences into ordered list R -2.13
merging tables with different column names 0.00
Change row values to zero if less than row standard deviation -0.41
data.table bug, causing a segfault in R 0.00
Subsetting data frame by vector of elements +0.36
Merge data frames and overwrite values -0.35
generate sequence of numbers in R according to other variables +1.47
Aggregating to remove duplicates in a data table based on the minim... 0.00
Divide a data.table into sub-tables conditionally to column values 0.00
Reshape data from long to a short format by a variable, and rename... +0.23
Inserting a count field for each row by a grouping variable -0.21
Several or multiple timeseries plot outputs from a single data frame 0.00
How can I calculate the mean of the top 4 observations in my column? +0.87
How do I combine a list with the elements of another list in R? 0.00
Saving output of t.test to dataframe when using mapply in R 0.00
Combine data.frames summing up values of identical columns in R +1.06
Convert a list of numeric vectors with different lengths to data.fr... 0.00
New dataframe with count values -0.21
R for solving linear programming problems -1.75
`data.table` way to select subsets based on `agrep`? +0.39
Fill and border colour in geom_point (scale_colour_manual) in ggplot 0.00
Replacing elements of arrays within a list (R) +0.36
Faster way to read multiple csv to one data frame? 0.00