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.
Este ejercicio forma parte del curso
Analyzing Survey Data in R
Instrucciones del ejercicio
- 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.
Ejercicio interactivo práctico
Prueba este ejercicio completando el código de muestra.
#Create table of average survey weights by race
___ <- NHANESraw %>%
group_by(___) %>%
summarize(avg_wt = ___)
#Print the table
___