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James

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1576.43 (3,334th) 		Reputation
52,777 (1,868th)
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Title Δ
switch to DST: round_date() returns NAs +2.25
Define variables in an implicit way 0.00
R write(append=TRUE) overwrites file contents -2.55
Custom Sorting Order Methods in R? +0.43
Pasting together contents of cells based on values of other variabl... +0.32
How can I get means in each column? -1.29
Difference between dplyr:mutate and transform when using pmin and p... 0.00
Removing the unordered pairs repeated twice in a file in R +2.27
How to find matched rows by skipping certain column(s)? +0.17
How to replace characters in a big dataframe in r +0.41
Why is R for loop 10 times slower than when using foreach? 0.00
Turning a language object into a String in R 0.00
How to convert a list of lists to a dataframe - non-identical lists -1.63
Converting date from MS Excel 2010 to R's Date format 0.00
Clustering a scatterplot in R 0.00
Index / Select all of the non-missing / NA columns +0.42
Extract r^2 from multiple models in plyr 0.00
R aggregate all possible combinations incl. "don't cares&q... +1.14
How can I extract numbers without attributes? 0.00
R Linear Regression Data in Single Column -1.34
How do I do a conditional sum which only looks between certain date... +0.41
Print, cat, paste in R separated by newline character -1.36
Shortcut to get a statement with certain pattern in R -0.46
In a large data set, identify which variables are categorical and w... -0.57
element wise multiplication in r 0.00
Changing time zones with POSIXct time series, R 0.00
Looping over numbered variables within a by= call of a data table i... -0.98
Changed behaviour of read.csv since R 3.1.0 -1.72
How to get the part of the name in whole column? 0.00
R : How to select and extract specific columns using colClasses? 0.00
Dotted parameter names and/or variables in R 0.00
How can I run logistic regression on a specific group of factor typ... 0.00
Test whether data is numeric or Factor/Ordinal +2.65
Square function drawing in r plot +1.75
geom_text on only top part of stacked bar plot -0.10
Creating a matrix of coefficients from coef function in R 0.00
Using loop to make column selections using different vectors +0.69
Two lines on one graph -0.07
Speed up nested apply code in R +0.39
ggplot2 barplot +0.40
collapse columns with logical value into one +0.96
Why do.call rbind outputs only one row? +0.86
how to merge two unequal size data frame in R +0.41
delete rows for duplicate variable in R -0.23
Plotting a million points in R? 0.00
How to convert CamelCase to not.camel.case in R -1.72
how can I use apply on two variables simultaneously 0.00
Changing as.Date function to output to a data frame instead of conv... 0.00
Find duplicates between multiple list elements +1.28
Self-made Distance Matrix in R 0.00