# xan matrix
```txt
Convert CSV data to matrix data.
Supported modes:
corr: convert a selection of columns into a full
correlation matrix.
Usage:
xan matrix corr [options] []
xan matrix --help
matrix corr options:
-s, --select Columns to consider for the correlation
matrix.
-D, --fill-diagonal Whether to fill diagonal with ones.
Common options:
-h, --help Display this message
-o, --output Write output to instead of stdout.
-n, --no-headers When set, the file will be considered as having no
headers.
-d, --delimiter The field delimiter foDirectedr reading CSV data.
Must be a single character.
```