| Class | Global |
| Name | set tune |
| Arguments | <MCMC tuning parameter> |
Controls the multiplier for the MCMC proposal step size used by the fpm algorithm. The base step size is usually the fixed effects model standard error for that parameter, and tune defaults to 0.3.
Example:
>> set tune 0.5
| << (set chain) | Up to index | >> (set tolerance) |