The workspace variable, SelfAssessedHealthStatus, contains four unique values,
Excellent, Fair, Good, and Poor.
Convert SelfAssessedHealthStatus to an ordinal categorical array, such that the
categories have the mathematical ordering Poor < Fair < Good < Excellent.
SelfAssessedHealthStatus = categorical(SelfAssessedHealthStatus,...
{'Poor' 'Fair' 'Good' 'Excellent'},'Ordinal',true);
Summarize the categorical array, SelfAssessedHealthStatus.
summary(SelfAssessedHealthStatus)
Poor 11
Fair 15
Good 40
Excellent 34
Plot Histogram
Create a histogram bar plot directly from a categorical array.
figure
histogram(SelfAssessedHealthStatus)
title('Self Assessed Health Status From 100 Patients')
Plot Categorical Data