There are two main types of graph commands

o graph twoway

o All others

twoway

o Graphs the points it is told to

o Graphs data points using markers, lines, bars, areas, ranges, ...

All others

o Combine data analysis with a graph

o With the exception of graph bar, box, and dot
all others are wrappers for twoway. They:

- perform some statistics and/or data analysis

- retrieve locations to graph

- produce the graph using twoway

o The stat graphs are all just wrappers around twoway

o We too can use twoway as a tool

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