.. index::
   single: G7 Command Reference
   single: Command Reference

The *G7* Command Reference
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There are currently over 130 *G7* commands. These can be grouped into several categories as listed below.

**The Basic 11 G7 Commands**
    Learn these commands first; they are used most frequently.

**Conventions**
    This section covers the conventions used in this reference.

**Dates**
    This section discusses the use of annual, quarterly and monthly dates in *G7*.

**Assigned Data Banks**
    Discusses the distinctions between the various kinds of banks in *G7*, and the use of the Workspace Bank.

**Forming Variables**
    This section discusses how to use the *f* command to form new variables as functions or expressions of existing variables.

**Functions**
    This section describes the various functions available with *G7*.

**Command Files, Groups, and Do Lists**
    This section discusses how to use the add command, the fadd command, and related commands to automate your work.

**Read Data**
    How to read data into *G7*.

**Write ASCII Data**
    Write ASCII files containing *G7* data.

**Writing Data To Lotus WK1 Files**
    Write many *G7* series to a WK1 file.

**Making Tables**
    Make tables of *G7* banks using Compare.

**Drawing Graphs**
    Discusses how to make various kinds of graphs using *G7*, including how to save them as files and print them.

**Ordinary Regression**
    How to use the (r)egress command to do a simple linear regression.

**Soft Constraints**
    Use soft constraints to impose a priori expectations on estimated coefficients.

**Distributed Lags**
    How to easily estimate distributed lags, including Almon lags.

**Regression Tests**
    Special types of hypothesis tests available in *G7*.

**Hildreth-Lu**
    Use of the Hildreth-Lu command for autocorrelation corrections.

**ARIMA**
    Use of ARIMA and Box-Jenkins techniques.

**SUR**
    Use of Seemingly Unrelated Regressions.

**Miscellaneous**
    Miscellaneous topics not covered elsewhere.

**Non-linear Regression**
    A few non-linear estimation techniques available in *G7*.

**2SLS and 3SLS**
    How to use two-stage and three-stage least squares in *G7*.

**Model Building**
    This is one of *G7*'s strong points! How to use *G7* for building models using *Build* and *InterDyme*.

**The Workspace Bank**
    Various tricks related to the use of the *G7* workspace bank.

**C Regression**
    How to do pooled regression in *G7*.