# Command Reference

Gretl Manual: Gnu Regression, Econometrics and Time-series Library
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# Chapter 13. Command Reference

# Introduction

The commands defined below may be executed in the command-line client program. They may also be placed in a "script" file for execution in the GUI, or entered using the latter's "console mode". In most cases the syntax given below also applies when you are presented with a line to type in a dialog box in the GUI (but see also `gretl`'s online help), except that you should not type the initial command word — it is implicit from the context. One other difference is that some commands support option flags, but you cannot enter these in GUI dialog boxes; generally there are menu items which achieve the same effect.

The option flags shown below are in "long form", with a somewhat mnemonic term preceded by two dashes. There are also corresponding short forms: these are shown in Table 13-4.

The following conventions are used below:

- A `typewriter font` is used for material that you would type directly, and also for internal names of variables.

- Terms in `italics` are place-holders: you should substitute something specific, e.g. you might type `income` in place of the generic `xvar`.

- `The construction [` `arg` `]` means that the argument `arg` is optional: you may supply it or not (but in any case don't type the brackets).

- The phrase "estimation command" means a command that generates estimates for a given model, for example `ols`, `ar` or `wls`.

Section and Chapter references below are to Ramanathan (2002).

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