This week's SAS tip is from Gerhard Svolba and his latest book Data Quality for Analytics Using SAS. For additional bonus book content and to learn more about Gerhard and his work, visit his author page. The following excerpt is from SAS Press author Gerhard Svolba's book "Data Quality for Analytics Using SAS"
They say "Imitation is the most sincere form of flattery"... Therefore when I imitate Hans Rosling's famous world-data animation, it's not that I'm jealous, but that I'm paying homage to him! (OK, and maybe also a little bit jealous! LOL) Well, anyway, for those of you who haven't seen it,
The power of a statistical test measures the test's ability to detect a specific alternate hypothesis. For example, educational researchers might want to compare the mean scores of boys and girls on a standardized test. They plan to use the well-known two-sample t test. The null hypothesis is that the
