Chi-square tests output
In chapter 3, you performed a chisq.test() of sex by agecat. In this exercise, you will perform the test again and save the output as cssexage and then display selected elements from the output list object.
The abaloneKeep dataset and dplyr package have been loaded for you.
This exercise is part of the course
R For SAS Users
Exercise instructions
- Save the
table()output of the two-way frequencies of sex by age category forabaloneKeepastablesexage. - Run
chisq.test()usingtablesexageand save the output ascssexage. - Display the
expectedvalues andp.valuefromcssexageoutput.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Create frequency table of sex by agecat
tablesexage <- ___ %>%
with(___)
# Chi-square test using tablesexage
cssexage <- ___
# Display expected values and p.value from cssexage
___
___