JRR

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JRR has asked 16 questions and find answers to 10 problems.

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JRR questions

vector of vector with different types
R 3.5 package ‘lattice’ was installed by an R version with different internals
Make a shallow copy in data.table
Delaunay from Voronoi with boost: missing triangle with non-integral point coordinates
R-devel with sanitizer from rocker
Compacting Shared Libraries in R package
data.table do not compute NA groups in by
Copy-on-modify semantic on a vector does not append in a loop. Why?
Is grouping parallelised in data.table 1.12.0?

JRR answers

How can I minimize the size of the installation of a R package
Check the type of a vector variable in R
data.table package in R 3.5 does not install
Pass an R package on CRAN with issues on MACOS due + OpenMP
In R, is growing a list just as inefficient as growing a vector?
when trying to install rgeos R cannot find -lgeos
Copy-on-modify semantic on a vector does not append in a loop. Why?
Is grouping parallelised in data.table 1.12.0?