Lecture
-------
.. admonition:: Lesson 9 - Comparing predictions to observed values

    .. raw:: html

        <iframe width="560" height="315" src="https://www.youtube.com/embed/J9qRhAchO44" frameborder="0" allowfullscreen></iframe>
        <p>Dave Whipp, University of Helsinki <a href="https://www.youtube.com/channel/UClNYqKkR-lRWyn7jes0Khcw">@ Quantitative Geology channel on Youtube</a>.</p>


    **Contents:**

        - `02:34 - Lesson 9 introduction <https://www.youtube.com/watch?v=J9qRhAchO44&t=2m34s>`__
        - `03:18 - Goodness-of-fit calculations <https://www.youtube.com/watch?v=J9qRhAchO44&t=3m18s>`__
        - `17:04 - Least squares regressions <https://www.youtube.com/watch?v=J9qRhAchO44&t=17m04s>`__
        - `24:41 - Exercise 9 preview <https://www.youtube.com/watch?v=J9qRhAchO44&t=24m41s>`__