**To do this** |
**Use this statement** |

Calculate separate statistics for each BY group |
BY |

Identify variables whose values define subgroups for
the analysis |
CLASS |

Identify a variable whose values represent the frequency
of each observation |
FREQ |

Include additional identification variables in the output
data set |
ID |

Create an output data set that contains specified statistics
and identification variables |
OUTPUT |

Identify specific combinations of class variables to
use to subdivide the data |
TYPES |

Identify the analysis variables and their order in the
results |
VAR |

Specify the number of ways to make unique combinations
of class variables |
WAYS |

Identify a variable whose values weight each observation
in the statistical calculations |
WEIGHT |