# Writing the data to a binary file

## !SAVE

!SAVE ` n `
instructs ASReml to write the data to a binary file.

asrdata.bin is written in single precision if
the argument ` n` is
1
or 3;

asrdata.dbl is written in double precision
if the argument ` n` is
2
or 4;
The data values are written

before
transformation if the argument is 1
or 2 and

after
transformation if the argument is 3
or 4.
The default is single precision after transformation.

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