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Rating Stats for

Matthew Lundberg

Rating
1566.78 (4,478th)
Reputation
36,309 (3,118th)
Page: 1 ... 12 13 14 15 16 17
Title Δ
Concatenate with conditions -0.75
How to bypass permission denied error? 0.00
Combining dataframe column values (categorical and numeric) -1.77
Limitation on number of items in c() function in R 0.00
Select majority number of each row in matrix using r +0.50
R Select certain interval of rows from data.frame +0.48
How to calculate the difference between different data frames with... -0.01
Hierarchical data in R- How do I sum over subsets, while maintaing... -0.03
paste values within categories defined by multiple columns +0.40
Reformatting times into data that can be manipulated 0.00
generate column values with multiple conditions in R +0.57
Is there a simple way to rank on multiple criteria that preserves t... 0.00
Merge dataframes, different lengths -0.75
Finding maximum of two vectors without a loop? +1.73
Converting Month, Day and no Year into a Time Series +1.27
Why is the aggregate function being applied to the grouping column? 0.00
What is the meaning of . in aggregate function? -1.31
How do I add specific data contained in rows? +1.92
Restricting Time Sample in R 0.00
Add a column with values and NAs +2.17
Innermost true values from logical array in R +0.49
transforming dataset (similarity ratings) +0.69
Remove duplicated 2 columns permutations -1.73
Efficiently sample a data frame avoiding loops +2.34
match.arg function for list argument 0.00
unquote dimension names +1.55
splitting a dataframe +2.25
R assigning values from a data frame to colnames 0.00
Creating matrix in R 0.00
In R, correlation test between two columns, for each of the groups... -0.49
Referring to variables by column names -0.03
Reducing lists in R to match another list. 0.00
Memory stability of a C++ application in Linux -0.63
Int to bytes and backwards -0.04
move into an environment 0.00
ambiguous access error in c++ +0.05
How to fix SIGBUS on Solaris -0.38
Transforming variable density on log scale with R -1.59
Transforming variable density on log scale with R +2.41
Patterns for expression passing in R 0.00
Capturing Rscript errors in an output file 0.00
Reduce dataset based on value -0.70
Selecting value in matrix together with column name in R +2.67
Access lost column name after extracting from a matrix +0.51
regular expression to strip leading characters up to first encounte... -0.24
How to create summary data frame with all possibilities in R +0.51
How to plot a multicolumn CSV file? -1.40
Keep assigned objects in workspace through a function 0.00
Setting a global variable from within a function -0.25
How to load a column of a matrix in R into a variable 0.00