Update README.md

Author: rmcelreath

README.md

@@ -39,7 +39,7 @@ Note about slides: In some browsers, the slides don't show correctly. If points
 | Week 06 | 10 February | Chapters 11 and 12 | [11] <[Ordered Categories](https://www.youtube.com/watch?v=VVQaIkom5D0&list=PLDcUM9US4XdPz-KxHM4XHt7uUVGWWVSus&index=11)> <[Slides](https://github.com/rmcelreath/stat_rethinking_2023/raw/main/slides/Lecture_11-ord_logit.pdf)> <br> [12] <[Multilevel Models](https://www.youtube.com/watch?v=iwVqiiXYeC4&list=PLDcUM9US4XdPz-KxHM4XHt7uUVGWWVSus&index=12)> <[Slides](https://raw.githubusercontent.com/rmcelreath/stat_rethinking_2023/main/slides/Lecture_12-GLMM1.pdf)>
 | Week 07 | 17 February | Chapter 13 | [13] <[Multilevel Adventures](https://www.youtube.com/watch?v=sgqMkZeslxA&list=PLDcUM9US4XdPz-KxHM4XHt7uUVGWWVSus&index=13)> <[Slides](https://raw.githubusercontent.com/rmcelreath/stat_rethinking_2023/main/slides/Lecture_13-GLMM2.pdf)> <br> [14] <[Correlated Features](https://www.youtube.com/watch?v=Es44-Bp1aKo&list=PLDcUM9US4XdPz-KxHM4XHt7uUVGWWVSus&index=14)> <[Slides](https://github.com/rmcelreath/stat_rethinking_2023/raw/main/slides/Lecture_14-GLMM3.pdf)>
 | Week 08 | 24 February | Chapter 14 | [15] <[Social Networks](https://www.youtube.com/watch?v=hnYhJzYAQ60&list=PLDcUM9US4XdPz-KxHM4XHt7uUVGWWVSus&index=15)> <[Slides](https://github.com/rmcelreath/stat_rethinking_2023/raw/main/slides/Lecture_15-social_networks.pdf)> <br> [16] <[Gaussian Processes](https://www.youtube.com/watch?v=Y2ZLt4iOrXU&list=PLDcUM9US4XdPz-KxHM4XHt7uUVGWWVSus&index=16)> <[Slides](https://github.com/rmcelreath/stat_rethinking_2023/raw/main/slides/Lecture_16-gaussian_processes.pdf)>
-| Week 09 | 03 March | Chapter 15 | [17] <[Measurement](https://www.youtube.com/watch?v=mt9WKbQJrI4&list=PLDcUM9US4XdPz-KxHM4XHt7uUVGWWVSus&index=17)> <[Slides](https://github.com/rmcelreath/stat_rethinking_2023/raw/main/slides/Lecture_17-measurement.pdf)> <br> [18] Missing Data
+| Week 09 | 03 March | Chapter 15 | [17] <[Measurement](https://www.youtube.com/watch?v=mt9WKbQJrI4&list=PLDcUM9US4XdPz-KxHM4XHt7uUVGWWVSus&index=17)> <[Slides](https://github.com/rmcelreath/stat_rethinking_2023/raw/main/slides/Lecture_17-measurement.pdf)> <br> [18] <[Missing Data](https://www.youtube.com/watch?v=Oeq6GChHOzc&list=PLDcUM9US4XdPz-KxHM4XHt7uUVGWWVSus&index=18)> <[Slides](https://github.com/rmcelreath/stat_rethinking_2023/raw/main/slides/Lecture_18-missing_data.pdf)>
 | Week 10 | 10 March | Chapters 16 and 17 | [19] Beyond GLMs: State-space Models, ODEs <br> [20] Horoscopes