So now we know that the formula for OPS is proportional to 0.91 × BB + singles + 2 × doubles + 3 × triples + 4 × HR. Let’s see how these coefficients compare to those obtained with regression. Fit a...

So now we know that the formula for OPS is proportional to 0.91 × BB + singles + 2 × doubles + 3 × triples + 4 × HR. Let’s see how these coefficients compare to those obtained with regression. Fit a regression model to the data after 1961, as done earlier: using per game statistics for each year for each team. After fitting this model, report the coefficients as weights relative to the coefficient for singles.