Readme colab gists update[skip ci]

Author: dbouget

README.md

@@ -29,8 +29,8 @@ Below are two Jupyter Notebooks which include simple examples on how to get star
 
 | Notebook       | Colab                                                | GitHub                                                                                                                   |
 |----------------|-------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------|
-| **Validation** | <a href="https://colab.research.google.com/gist/dbouget/7560fe410db03e384a45ddc77bbe9a57/compute_validation_example.ipynb" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a> | [![View on GitHub](https://img.shields.io/badge/View%20on%20GitHub-blue?logo=github)](https://github.com/dbouget/validation_metrics_computation/blob/master/notebooks/compute_validation_example.ipynb) |
-| **Study**      | <a href="https://colab.research.google.com/gist/dbouget/ba104fd1faae7d4965f0db722875cb90/compute_study_example.ipynb" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>   | [![View on GitHub](https://img.shields.io/badge/View%20on%20GitHub-blue?logo=github)](https://github.com/dbouget/validation_metrics_computation/blob/master/notebooks/compute_study_example.ipynb)      |
+| **Validation** | <a href="https://colab.research.google.com/gist/dbouget/491b0d34e3df00e730cd7fe7a8989202/compute_validation_example.ipynb" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a> | [![View on GitHub](https://img.shields.io/badge/View%20on%20GitHub-blue?logo=github)](https://github.com/dbouget/validation_metrics_computation/blob/master/notebooks/compute_validation_example.ipynb) |
+| **Study**      | <a href="https://colab.research.google.com/gist/dbouget/ccf77f31ac4ef58bb61d0808eaa9f454/compute_study_example.ipynb" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>   | [![View on GitHub](https://img.shields.io/badge/View%20on%20GitHub-blue?logo=github)](https://github.com/dbouget/validation_metrics_computation/blob/master/notebooks/compute_study_example.ipynb)      |
 
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