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d.b

Rating
1551.74 (7,432nd)
Reputation
20,645 (6,563rd)
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Title Δ
Finding maximum value across multiple columns (pmax gives NAs) +2.02
R: Aggregating a list of column names and row numbers based off of... 0.00
String manipulation in R 0.00
Count consecutive duplicates in a column +1.84
ISNUMBER returning FALSE for cell that has only numbers +1.59
Are xlab ylab and zlab in persp() incompatible with bquote? 0.00
How do I create an addition table in R? +1.68
Add 1 minute to duplicate daylight savings hour in R 0.00
Create "Week_Start" variable in R +2.39
Milliseconds separated by comma 0.00
generate combinations of elements 0.00
transposing dataframe by column, finding column minimum and returni... +2.39
Logically matching vectors of character strings of different sizes -1.96
How to make the size of fixed `text()` to mach the size of a moving... 0.00
Calculating SD of compass directions using Circular 0.00
Getting seconds from a timestamp in POSIXct using an origin differe... 0.00
Creating a vector with certain values at specific positions based o... +0.26
Filling a curve with points that fit under the curve in R plot -1.49
Filling matrix with array coordinates in R -0.32
How to avoid re-listing internal function arguments in wrapper func... 0.00
Change NA to "" in a whole data.frame +1.77
Adding a second row of x-axis values in a different format in R 0.00
Subset a dataframe with 3 threshold conditions of corresponding ID... -0.77
Generating a matrix by applying function to all pairs +0.57
How to sort strings with integers by numeric ordering? -0.76
Replace plus minus sign with equivalent LaTeX command 0.00
Simulating an one-sample t-test in r 0.00
How do I find the max index (z) of a value for each position (x) wi... -0.43
Solving for shape1 and shape2 in qbeta() given its quantiles in R 0.00
r - combine 2 columns into 1 with special order +3.09
R find values from intervals +1.97
R functions similar to "outer" but return a list 0.00
Getting row index where a new value starts +1.43
How dataframe, how to calculate row means of conditional values +2.20
Elementwise Product of Matrix and Vector 0.00
Vector whose elements add up to a value in R -0.56
a is a numerical vector and b is logical. what is suma[b] 0.00
Identify overlapping points in scatter plot -1.20
how to change duplicates in a column by applying a function to rows... 0.00
How get numbers from given range with given condition in R 0.00
Multiple uses of setdiff() on consecutive groups without for looping -0.15
add one second to the specific times in r 0.00
Find average of 4 last elements -0.04
how to get the first priority by applying rules into a data frame i... +0.01
Extract year from date string in this format Dec-06, Jan-90, Feb-76... +1.57
Paste a string of variable names into function in R -0.46
Find sequence between elements in a vector -2.00
Matrix - Select everything except specified indices -1.10
calculate conditional average of a dataframe-vector -0.97
Scale percentage data to mean of 50% 0.00