refine the LTR example.

2fd1b3bd · caoying03 · 8de3d19e · 2fd1b3bd · 2fd1b3bd · 2fd1b3bd
6 changed file
--- a/ltr/README.md
+++ b/ltr/README.md
--- a/ltr/image/lambdarank.jpg
+++ b/ltr/image/lambdarank.jpg
--- a/ltr/image/learningToRank.jpg
+++ b/ltr/image/learningToRank.jpg
--- a/ltr/image/ranknet.jpg
+++ b/ltr/image/ranknet.jpg
--- a/ltr/image/search-engine-example.png
+++ b/ltr/image/search-engine-example.png
--- a/ltr/lambdaRank.py
+++ b/ltr/lambdaRank.py