diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -15,3 +15,4 @@ Example of NIR spectrogram processing for regression using Python. Based on [thi
 Preview:
 
 ![3dview](img/datasets_3d.png "3D plot of datasets")
+![PLSR vs PCR](img/plsr-pcr.png "PLSR vs PCR comparison")
diff --git a/img/plsr-pcr.png b/img/plsr-pcr.png
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Binary files /dev/null and b/img/plsr-pcr.png differ