pub fn parse_mv_contexts(val: Value) -> Result<Vec<Vec<Vec<f32>>>>Expand description
Parse the context field of a forecast request into [batch][variate][time].
Accepted shapes:
[t0, t1, ...]→ batch=1, n_var=1 (flat single series)[[t0, t1, ...], ...]→ batch=N, n_var=1 (batch of univariate)[[[v0_t0, ...], [v1_t0, ...]], ...]→ batch=N, n_var=M (batch of multivariate)