updated index pages

The index pages were updated with the recently added proofs.

Author: JoramSoch

I/PbA.md

@@ -8,7 +8,7 @@ title: "Proof by Author"
 
 - [Covariance matrix of the multinomial distribution](/P/mult-cov)
 
-### JoramSoch (394 proofs)
+### JoramSoch (395 proofs)
 
 - [Accuracy and complexity for the univariate Gaussian](/P/ug-anc)
 - [Accuracy and complexity for the univariate Gaussian with known variance](/P/ugkv-anc)
@@ -366,6 +366,7 @@ title: "Proof by Author"
 - [Reparametrization for one-way analysis of variance](/P/anova1-repara)
 - [Sampling from the matrix-normal distribution](/P/matn-samp)
 - [Sampling from the normal-gamma distribution](/P/ng-samp)
+- [Scaling of a random variable following the gamma distribution](/P/gam-scal)
 - [Scaling of the covariance matrix upon multiplication with constant matrix](/P/covmat-scal)
 - [Scaling of the variance upon multiplication with a constant](/P/var-scal)
 - [Second central moment is variance](/P/momcent-2nd)

I/PbN.md

@@ -431,3 +431,4 @@ title: "Proof by Number"
 | P423 | wald-mome | [Method of moments for Wald-distributed data](/P/wald-mome) | tomfaulkenberry | 2023-10-30 |
 | P424 | exg-mome | [Method of moments for ex-Gaussian-distributed data](/P/exg-mome) | tomfaulkenberry | 2023-10-30 |
 | P425 | duni-kl | [Kullback-Leibler divergence for the discrete uniform distribution](/P/duni-kl) | JoramSoch | 2023-11-17 |
+| P426 | gam-scal | [Scaling of a random variable following the gamma distribution](/P/gam-scal) | JoramSoch | 2023-11-24 |

I/PbT.md

@@ -436,6 +436,7 @@ title: "Proof by Topic"
 - [Sampling from the matrix-normal distribution](/P/matn-samp)
 - [Sampling from the normal-gamma distribution](/P/ng-samp)
 - [Savage-Dickey density ratio for computing Bayes factors](/P/bf-sddr)
+- [Scaling of a random variable following the gamma distribution](/P/gam-scal)
 - [Scaling of the covariance matrix upon multiplication with constant matrix](/P/covmat-scal)
 - [Scaling of the variance upon multiplication with a constant](/P/var-scal)
 - [Second central moment is variance](/P/momcent-2nd)

I/PwS.md

@@ -137,6 +137,7 @@ title: "Proofs without Source"
 - [Relationship between R² and maximum log-likelihood](/P/rsq-mll)
 - [Relationship between second raw moment, variance and mean](/P/momraw-2nd)
 - [Relationship between signal-to-noise ratio and R²](/P/snr-rsq)
+- [Scaling of a random variable following the gamma distribution](/P/gam-scal)
 - [Simple linear regression is a special case of multiple linear regression](/P/slr-mlr)
 - [Skewness of the ex-Gaussian distribution](/P/exg-skew)
 - [Skewness of the exponential distribution](/P/exp-skew)