fix another url (http -> https)

Author: jgabry

vignettes/non-factorized.Rmd

@@ -712,7 +712,7 @@ Bürkner P. C., Gabry J., & Vehtari A. (2020). Efficient leave-one-out cross-val
 
 Sundararajan S. & Keerthi S. S. (2001). Predictive approaches for choosing hyperparameters in Gaussian processes. *Neural Computation*, 13(5), 1103--1118.
 
-Vehtari A., Mononen T., Tolvanen V., Sivula T., & Winther O. (2016). Bayesian leave-one-out cross-validation approximations for Gaussian latent variable models. *Journal of Machine Learning Research*, 17(103), 1--38. [Online](http://jmlr.org/papers/v17/14-540.html).
+Vehtari A., Mononen T., Tolvanen V., Sivula T., & Winther O. (2016). Bayesian leave-one-out cross-validation approximations for Gaussian latent variable models. *Journal of Machine Learning Research*, 17(103), 1--38. [Online](https://jmlr.org/papers/v17/14-540.html).
 
 Vehtari A., Gelman A., & Gabry J. (2017). Practical Bayesian model evaluation using leave-one-out cross-validation and WAIC. *Statistics and Computing*, 27(5), 1413--1432. \doi:10.1007/s11222-016-9696-4. [Online](https://link.springer.com/article/10.1007/s11222-016-9696-4). [arXiv preprint arXiv:1507.04544](https://arxiv.org/abs/1507.04544).