Lecture 4: Frequency Distributions: Interval Level

Interval Level Data

Grouping the Data

Cumulative Counts

Summarizing Data with Stata

Describing and Notes

Tabulate with one variable & with two variables

Column or row percentages

Graphs

Histogram: Discrete

Histogram: Continuous

1. Recoding

2. using the graph options

3. Adding the normal curve

Histograms by groups

Ogive