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KFB

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1550.10 (7,913th) 		Reputation
3,143 (53,730th)
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Title Δ
How to show frequencies in discrete categories with range data in R? +2.27
group_by & summarize in in dplyr package +1.70
Why can't R report the name for a corresponding max value? -3.19
Write column names to variables based on a condition +0.15
Count number of times a value increases in a column +4.08
Rug plot does not work when specifying alpha colors? 0.00
time difference between two same tweet 0.00
Stuck with a 2 data frames row copy -1.52
Splitting text column into ragged multiple new columns in a data ta... -2.66
Changing the order of values on the x-axis in R +3.48
Using Aggregate and Cbind- NA issue? +3.14
in R: make a new column that counts the number of times a value app... +3.54
aggregate through across multiple columns in R -4.54
When I loop through rows and conditionally change one column, the l... -0.44
How to make intensity graph with outliers? +3.44
R how tocheck if a data table column is all zeros +1.68
Taking Average and Median by Month and then Ordering by Date and Fa... +3.97
ggplot2 - line plot by year-quarter on the x axis 0.00
Plot two variables in the same histogram with ggplot +3.43
dplyr: put count occurences into new variable -4.42
How to add new column depends on row value in R? -0.17
Use dplyr to find genotype frequency across SNPs 0.00
R - Subset dataframe to include only subjects with more than 1 record +3.41
dplyr: count of a count +0.66
Creating New Data Frame in R -2.16
r - Dropping all NAs in a dataframe and then upshifting the cleaned... 0.00
How Represent Categorical Data using R 0.00
place two different y axis titles on facet_grid 0.00
Delete row according to a specific values in a column in R 0.00
How to plot residuals against a regression line in R 0.00
intersect function returns different mode depending on input order 0.00
Find rows where all columns are equal in R +3.72
How to multiply matrix and constant matrix in R 0.00
Count matching instances between two data frames -4.27
Subset unmatched rows from data frame conditoned by values in multi... 0.00
How to output duplicated rows -2.69
How to calculate a mean baseline value per trial per participant in... +0.09
Convert a table with missing values to a data frame of the same str... +2.47
New variable in dataframe +1.58
Merge two data frame where one column is matched based on condition +0.41
How to calculate mean of a list without apply +0.75
Can't find is.wholenumber() function -0.37
Use strsplit to get last character in r -0.11
Accessing part of data frame in r 0.00
"Incorrect number of dimensions" message when retrieving... 0.00
How to compute aggregate and append result as new column in R +2.08
How to add fixed-slope line in multipanel plot using different inte... 0.00
dplyr 0.3.0.9000 how to use do() correctly 0.00
String 2 consecutive words with 2 z's in them -0.44
Error message in R after by or split file processing? +3.69