official_transform_scope

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Axis official_transform_scope on sub-layer l1_c (layer l1).

Sub-layer

l1_c

Axis metadata

  • Default: 'target_and_predictors'

  • Sweepable: False

  • Status: operational

Operational status summary

  • Operational: 4 option(s)

  • Future: 0 option(s)

Options

target_only – operational

Apply official t-codes only to the target column.

Restricts McCracken-Ng tcode application to y. Predictors flow through untransformed.

When to use

When predictors are already pre-transformed.

References

  • macroforecast design Part 1, L1: ‘data definition is the recipe layer that pins source, target, geography, and horizon – everything downstream branches off these choices.’

Related options: predictors_only, target_and_predictors, none

Last reviewed 2026-05-05 by macroforecast author.

predictors_only – operational

Apply official t-codes only to predictor columns.

Used when the user supplies an externally-transformed target.

Configures the official_transform_scope axis on l1_c (layer l1); the predictors_only value is materialised in the recipe’s fixed_axes block under that sub-layer.

When to use

When the target is pre-engineered (e.g. growth rate).

References

  • macroforecast design Part 1, L1: ‘data definition is the recipe layer that pins source, target, geography, and horizon – everything downstream branches off these choices.’

Related options: target_only, target_and_predictors

Last reviewed 2026-05-05 by macroforecast author.

target_and_predictors – operational

Apply official t-codes to both target and predictors.

Default; canonical McCracken-Ng workflow.

Configures the official_transform_scope axis on l1_c (layer l1); the target_and_predictors value is materialised in the recipe’s fixed_axes block under that sub-layer.

When to use

Default; FRED-MD / -QD recipes.

References

  • macroforecast design Part 1, L1: ‘data definition is the recipe layer that pins source, target, geography, and horizon – everything downstream branches off these choices.’

Related options: target_only, predictors_only, none

Last reviewed 2026-05-05 by macroforecast author.

none – operational

Skip official t-codes entirely.

Disables L1’s official tcode application. Used together with transform_policy = no_transform or custom_tcode.

When to use

Custom panels with bespoke transforms.

References

  • macroforecast design Part 1, L1: ‘data definition is the recipe layer that pins source, target, geography, and horizon – everything downstream branches off these choices.’

Related options: target_and_predictors

Last reviewed 2026-05-05 by macroforecast author.