zdebruine

icon indicating a website link zachdebruine.com

icon company Grand Valley State University icon location Grand Rapids, MI icon location Machine learning with Rcpp, application to single-cell bioinformatics.

Results 5 issues of zdebruine

Eigen 3.4 release update

5 comment

Thanks all for maintaining this fundamental resource for the R community! Seeing that Eigen 3.4 is out, and it supports some very useful operations for matrix subsetting and reshaping, what...

Theoretical and practical issues with regularization -- not convex. Scaling required

See https://github.com/zdebruine/RcppML/issues/29. As Kim and Park note in their 2004 manuscript (cited in the NNLM BMC Bioinformatics manuscript), it is necessary to normalize the factors in the model (by columns...

Upper-bounded NNLS

12 comment

Feature request to impose upper bound on NNLS solutions.

Matrix package deprecations

Email from `Matrix` package maintainers: ------ Dear R Maintainer maintainer, You are receiving this message because at least one CRAN or Bioconductor package that you maintain requires revisions due to...

fix test

This PR is to fix an issue where the class of an object with multiple classes (`matrix array`) is evaluated against a single class `matrix` and where only a single...