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Matthew Lundberg

Rating
1566.78 (4,478th) 		Reputation
36,309 (3,118th)
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Title Δ
Taking values from two/multiple matrices in R? 0.00
Bucketing data with R +2.36
regular expression in R to find ***** -0.39
cbind with row names to several files -0.32
calculate odds ratio across factors -0.12
Between two numbers in R i.e. 5<=R>7 +1.31
Accessing to names of the elements processed by the R *apply functi... +0.42
How to sort alphabetically in R? +0.42
subscript out of bounds error with two for loops inside the function -0.73
judge if include the specified characters in a string vector? -1.03
regex to remove words that contains special character along with ur... -1.73
Making gsub only replace entire words? +0.42
matching numbers in two different data frames +0.42
Dividing rows by terms of a vector in R 0.00
Remove all columns that length(unique) ==1 in R -1.01
How to turn categorical data into relative counts with R +1.33
Possible reasons for column not converting from factor to numeric -0.91
How to add a named vector as a row to a data frame +0.34
R - sort data frame while keeping original row id & without dro... 0.00
How to eliminate this loop in R +1.66
Perform pairwise comparison of matrix 0.00
aggregate and transform a dataset -0.34
R count column for each element, no matter redundancy +0.45
What is the difference between the functions tapply and ave? 0.00
Replacing vector values in R based on a list (hash) +0.41
How to merge data from different tables in R +1.10
R : Multiply 2 matrices column wise to create a third Matrix 0.00
R - Make a list of lists -1.97
Draw histograms per row over multiple columns in R -0.58
Working of Filter function R 0.00
Why stopifnot is not working as expected? +0.42
summary still shows NAs after using both na.omit and complete.cases -0.36
Invert y-axis in barplot -2.25
Moving sum over date range 0.00
R: Calculating mean value for preceding rows and within groups 0.00
logicals operators long and short forms on vectors 0.00
Using self-defined functions in R to produce different random numbe... 0.00
How do I limit results to only those data frame rows and columns th... +1.19
Error in `[.data.frame`(ABCD, , -xyz) : object 'xyz' not found 0.00
Vectorized Data Frame creation? -0.31
Unexpected apply function behaviour in R +1.19
Converting the "chas" variable to a factor with labels &q... +0.24
Euler Project #1 in R +0.79
Select rows such that multiple columns have no duplicated values 0.00
Plotting every second data point in ggplot2 -1.40
How to select columns conditionally in a data frame in R +2.02
Create a new (identical) data frame by sampling an existing data fr... +0.46
get custom table frequency in R -0.13
Create dataframe containing only matching data from 2 dataframes in R 0.00
Remove columns with zero values from a dataframe +1.53