# Stata Commands

## Details

### General Commands

**clear**- clears data out of memory.**search**- searches Stata help for matching strings. This allows you to find help on command statements and return codes which appear alongside of error messages. If you make a mistake with a Stata command, it may return an error message along with a return code {for example, r(199)}. The search command can be used to get a more detailed description of the return code.**generate**- computes a new variable based on an expression.

### Basic Analysis Commands

**tabulate**- gets counts and percents of subgroups for 1 or 2 variables. Summarize option gets summary stats for subgroups.

tabulate race

tabulate sex ses

tabulate race ses, summarize(math)**summarize**- calculates summary statistics such as mean and standard deviation. Detail option gets more statistics and percentiles. By option gets statistics for subgroups.

summarize rdg wrtg

by race: summarize rdg wrtg math, detail (note: race must be sorted first)**correlate**- displays the correlation matrix for a list of variables. Means option gets summary stats for each variable.

correlate rdg wrtg math sci civ

correlate rdg wrtg, means**regress**- fits a linear regression model of a dependent variable on a single predictor or set of predictors. By the time you're done with this class, you'll know what that means.

### Graphs

**graph bar**- generates a bar chart**histogram**- generates a histogram**graph twoway**- generates a two variable scatterplot**graph pie**- generates a pie chart

Graphs are not written to log files. They must be saved by clicking the **File** menu, then choose **Save Graph.**

For questions about using Stata not answered on this page, or for consulting requests regarding statistics, contact Jianjun Hua at 603-646-6552 or statistical.consulting@dartmouth.edu.

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### Details

Article ID:
64631

Created

Tue 10/9/18 12:18 PM

Modified

Tue 11/12/19 10:12 AM