Here are some commands that you may find useful (this is by no means an exhaustive list of all Stata commands):
| anova | general ANOVA, ANCOVA, or regression |
| by | repeat operation for categories of a variable |
| ci | confidence intervals for means |
| clear | clears previous dataset out of memory |
| correlate | correlation between variables |
| describe | briefly describes the data (# of obs, variable names, etc.) |
| drop | eliminate variables from memory |
| exit | leave Stata |
| generate | creates new variables (e.g. generate years = close - start) |
| graph | general graphing command (this command has many options) |
| help | online help |
| if | lets you select a subset of observations (e.g. list if radius >= 3000) |
| list | lists the whole dataset in memory (you can also list only certain variables) |
| log | save or print Stata ouput (except graphs) |
| lookup | keyword search of commands, often precursor to help |
| regress | regression |
| replace | lets you change individual values of a variable |
| save | saves data and labels in a Stata-format dataset |
| sort | sorts observations from smallest to largest |
| summarize | produces summary statistics (# obs, mean, sd, min, max) (has a detail option) |
| test | conducts various hypothesis tests (refers back to most recent model fit |
| ttest | one and two-sample t-tests |
| use | retrieve previously saved Stata dataset |