NHANES weights
Let's explore the NHANES survey weights. As we said, minorities are more likely to be sampled. To account for this, their survey weights will be smaller since they represent less people in the population. Let's see if this is reflected in the data.
Latihan ini adalah bagian dari kursus
Analyzing Survey Data in R
Petunjuk latihan
- Using
dplyr, construct a table of mean survey weights,WTMEC4YR, by race,Race1. Call the tabletab_weights. - Print the table and observe the differences in the average weights.
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
#Create table of average survey weights by race
___ <- NHANESraw %>%
group_by(___) %>%
summarize(avg_wt = ___)
#Print the table
___