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Rating Stats for

Matthew Lundberg

Rating
1566.78 (4,478th)
Reputation
36,309 (3,118th)
Page: 1 ... 7 8 9 10 11 ... 17
Title Δ
Replacing header in data frame based on values in second data frame +0.11
Changing binary variables to Yes/No -0.69
Collecting P-values using a Loop in R +2.29
how to check if a variable is categorical with R ? 0.00
How can you insert a colon every two characters? +1.10
Finding the index of first changes in the elements of a vector in R +0.05
Understanding transform +0.18
Why does this vectorized matrix comparison fail? +1.59
colsum rowsum populating matrix +2.29
Delete multiple duplicate sets and retain one -0.91
how to select rows according to column value conditions in R +0.17
Bizzarre error in compound statement in R?: "target of assignm... 0.00
Not correct syntax trying to create a new variable in R with ifelse -0.13
How to multiply EACH value from one row from a dataframe, with all... 0.00
Extract data from the file - Ignore leading comment lines, but incl... 0.00
How to Count the Number of non-NA's between NA in Vector R 0.00
Reading lines from a file and store into variable. -0.23
Convert a vector of string to a vector of integer -0.63
Set a Data Frame Column as the Index of R data.frame object 0.00
Reading CSV using R where header is on the second line +0.37
Extract the factor's values positions in level 0.00
Transform Numbers - Trim Integral Part from Floating Point Number +0.43
How to join data.frames based on two columns +1.06
How can I use merge to cbind two dataframes -0.06
How to sort two vectors together in R? 0.00
Using R to find difference between two visits +0.47
Delete labeled levels under a variable in R -2.35
How to split a string vector and recompose it in the original form +2.44
Concatenating cells in a data frame using aggregate.data.frame +1.43
Argument length zero if statement -0.34
Function Modifying a Character String -0.01
How to convert multiple columns to individual rows in R -1.59
How do you plot/analyze variables in R based on their common value... -0.57
Replace all values lower than threshold in R +2.23
Approximate value for a double integral using monte carlo method in R 0.00
How to call Cygwin command from R 0.00
matching only if target 'cell' is NA 0.00
How can R considers a string as negative? +0.44
Comparisons of strings with c++ 0.00
Can I get.seed() somehow? -2.06
How can I create 70 columns(labelled "1","2",&q... -0.07
Having two vectors is there a nicer way to test if one is included... +1.86
Subsets of data frame -0.02
Simple for loop in R producing "replacement has length zero&qu... 0.00
In R, how do I locally shuffle a vector's elements -0.42
subtracting unequal matrices, output as list r 0.00
R Using index of rows for merging file +0.42
How to order levels in a variable based on both the sum of value in... 0.00
lattice::xyplot for multiple lines from quantile regression output -0.53
Convert unix timestamp column to day of week in R 0.00