我的問題是在的末尾加粗。 我知道如何使beta分佈適合某些數據。例如: library(Lahman)
library(dplyr)
# clean up the data and calculate batting averages by playerID
batting_by_decade <- Batting %>%
filter(AB > 0) %>%
grou
// Replace the method named m of the object o with a version that logs
// messages before and after invoking the original method.
function trace(o, m) {
// Remember original method in the clos