What does an r2 of 0.5 mean?

Any R2 value less than 1.0 indicates that at least some variability in the data cannot be accounted for by the model (e.g., an R2 of 0.5 indicates that 50...

What is the shortest war?

The little known Anglo-Zanzibar War of 1896 is generally considered to be the shortest war in history, lasting for a grand total of 38 minutes. The story ...