Stéphane Laurent

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Stéphane Laurent has asked 86 questions and find answers to 249 problems.

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Stéphane Laurent questions

With imager package, how to get the correlation of an image (with a kernel)?
Tuning of mtry by caret returning strange value
Extracting a submatrix with Rcpp
groupBy function which groups non-adjacent elements
Shiny dropdown input with groups decorated with icons
Correlation of two images by Haskell 'hip' library (LoG filter)
How to efficiently rotate an OpenGL scene in Haskell?
What is generating the error 'Can't subset `.data` outside of a data mask context' with 'dplyr'?
FFI returns a huge integer value instead of 0
Overwriting NAMESPACE and Rd with roxygen2

Stéphane Laurent answers

How to extract all code from an RMarkdown (.Rmd) file?
ggplot2 plot an angle between two lines
How to format DT background *per row*?
Add custom class label to datatable row
How to use a dictionary for a large data frame in R?
R Shiny Dashboard DataTable Column Width [duplicate]
How can I browse and upload an image in a shiny application?
R Shiny Debounce with reactiveValues and observeEvent / R input debounce
Is there a way to know programatically if shiny is running?
Random sampling in R without direct repetition and exact quantity of each number