Struct CsvConfig 

pub struct CsvConfig { /* private fields */ }

Configuration for CSV-based MCMC storage.

This storage backend creates Stan-compatible CSV files with one file per chain. Files are named chain_{id}.csv where {id} is the chain number starting from 0.

The CSV format matches CmdStan output:

• Header row with column names
• Warmup samples with negative sample_id
• Post-warmup samples with positive sample_id
• Standard Stan statistics (lp__, stepsize, treedepth, etc.)
• Parameter columns

Implementations

impl CsvConfig

pub fn new<P: AsRef<Path>>(output_dir: P) -> Self

Create a new CSV configuration.

Arguments

• output_dir - Directory where CSV files will be written

Example

use nuts_rs::CsvConfig;
let config = CsvConfig::new("mcmc_output");

pub fn with_precision(self, precision: usize) -> Self

Set the precision (number of decimal places) for floating point values.

Default is 6 decimal places.

pub fn store_warmup(self, store: bool) -> Self

Configure whether to store warmup samples.

When true (default), warmup samples are included with negative sample IDs. When false, only post-warmup samples are stored.