ccttss
No user record in our sample, but ccttss has activity below (stories or comments). Likely we have partial data — the full bulk-load will fill profiles in.
No user record in our sample, but ccttss has activity below (stories or comments). Likely we have partial data — the full bulk-load will fill profiles in.
Thank you for pointing this out, this is my understanding of stratified sampling as well. However, I'm very surprised by the huge ~25x (!) reduction in the variance found by the author's simulation between random and…