Had you invested $10,000 on 1929-07-01, your portfolio would have been worth about $3,000 after 8.6 years. In stark contrast, if you invested $10,000 on 2007-11-01, your portfolio would have been worth about $19,000 after 8.6 years.
RStudio workshop for Rmarkdown
p-value thresholds for statistical significance should be abandoned
Finding the p-th or n-th root of a matrix.
Example of logistic regression
How to cheat, lie, and steal to get a better model
Measuring overfitting using a simulated data set
Three Deadly Sins of Predictive Modeling
Time series cross-validation using the caret package. There is a bug in the document. Do not use the R.squared values from caret, use RMSE instead.
Even if two models are algebraically the same, the predictions from the two models are not necessarily the same. Although the predictions between the two equivalent models converge as the sample size increases. Do not use p-values to select or reject variables.
Modeling the probability of getting approved for a credit card.
Boosting Linear Models and an assortment of other models on the German Credit Card data set.