CommencerCommencer gratuitement

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.

Cet exercice fait partie du cours

R For SAS Users

Afficher le cours

Instructions

  • Save the table() output of the two-way frequencies of sex by age category for abaloneKeep as tablesexage.
  • Run chisq.test() using tablesexage and save the output as cssexage.
  • Display the expected values and p.value from cssexage output.

Exercice interactif pratique

Essayez cet exercice en complétant cet exemple de code.

# Create frequency table of sex by agecat
tablesexage <- ___ %>% 
  with(___)

# Chi-square test using tablesexage
cssexage <- ___

# Display expected values and p.value from cssexage
___
___
Modifier et exécuter le code