Clayton Stanley

Clayton Stanley has asked 44 questions and find answers to 36 problems.

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Clayton Stanley questions

Unexpected behavior with loop macro and closures
Vectorized element-wise division on Sparse Matrices in R
R: Generate histogram from counts of data
Large integers in data.table. Grouping results different in 1.9.2 compared to 1.8.10
Trouble with PostgreSQL loading a large csv file into a table
Best way to customize auto-formatting/auto-indenting in vim for Common Lisp
How to build a pipeline from data.table to magrittr and back to data.table
splice in a bquote in R
R and shared memory for parallel::mclapply
bash tab completion filter out options

Clayton Stanley answers

R, is there any function able to search and return only the first element that qualifies for something in a vector/list/matrix row/column?
Insert a row before each group of data using data.table
Common Lisp exporting symbols from packages
external lisp code indenter
Reducing memory usage when storing all subsequences of a set of sequences
Apply different functions to different sets of columns by group
Homebrew is generating two warnings
R: change column order in data.table for only some columns
How to optimize lagged differences in data.table (r)
Add column by reference on rolling join