From cefee1ed1aa0fca086c54c7d0aa87f98571180c1 Mon Sep 17 00:00:00 2001 From: Patrick Wendell Date: Mon, 9 Sep 2013 21:45:04 -0700 Subject: [PATCH] Document fortran dependency for MLBase --- docs/mllib-guide.md | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/docs/mllib-guide.md b/docs/mllib-guide.md index 1583ce4a58..f991d86c8d 100644 --- a/docs/mllib-guide.md +++ b/docs/mllib-guide.md @@ -11,6 +11,13 @@ filtering, as well as an underlying gradient descent optimization primitive. This guide will outline the functionality supported in MLlib and also provides an example of invoking MLlib. +# Dependencies +MLlib uses the [jblas](https://github.com/mikiobraun/jblas) linear algebra library, which itself +depends on native Fortran routines. You may need to install the +[gfortran runtime library](https://github.com/mikiobraun/jblas/wiki/Missing-Libraries) +if it is not already present on your nodes. MLlib will throw a linking error if it cannot +detect these libraries automatically. + # Binary Classification Binary classification is a supervised learning problem in which we want to