Josh O'Brien

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Josh O'Brien has asked 30 questions and find answers to 1278 problems.

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Josh O'Brien questions

Which JavaScript code implements shiny's numericInput widget?
Making knitr code blocks more cleanly cut-and-pastable
Any pitfalls to using programmatically constructed formulas?
How to perform a vector overlay of two SpatialPolygonsDataFrame objects?
How to add names to a numpy array without changing its dimension?
Why does trace(..., edit=TRUE) not work when ... = [.data.table
How to locate code called by .External2()?
Any way to access function installed by makeActiveBinding?
How to set knitr chunk output width on a per chunk basis?
Can .SD be viewed from a browser within [.data.table()?

Josh O'Brien answers

Make sure all default packages are loaded before running .Rprofile
Matrix scale-out
does white space slow down processing
data.table := does not support logical data types when adding new column?
Getting an integer atomic vector (vs. numeric)
What arguments were passed to the functions in the traceback?
Are there downsides with docstrings in R?
Extract vectors from elements of list of vectors
date format in R [duplicate]
R: Abbreviate state names in strings