23 Validating Genetic Evaluations

Learning Objectives

By the end of this chapter, you will be able to:

Distinguish accuracy, bias, and dispersion as separate failure modes
Design a forward (time-split) validation
Apply the LR method and interpret its statistics
Perform cross-validation appropriately for related individuals
Diagnose the cause of a failed validation

Assumes Ch 6, Ch 21.

Chapter in progress

This chapter has not been written yet. The objectives above are the contract it will be written against — they are taken from CHAPTERS.md, which is the outline for the whole book.

Purpose. How do you know the evaluation works?

---
title: "Validating Genetic Evaluations"
---

::: {.callout-note icon=false}
## Learning Objectives

By the end of this chapter, you will be able to:

1. **Distinguish** accuracy, bias, and dispersion as separate failure modes
2. **Design** a forward (time-split) validation
3. **Apply** the LR method and interpret its statistics
4. **Perform** cross-validation appropriately for related individuals
5. **Diagnose** the cause of a failed validation
:::

*Assumes Ch 6, Ch 21.*

::: {.callout-warning}
## Chapter in progress

This chapter has not been written yet. The objectives above are the contract it will be written
against — they are taken from `CHAPTERS.md`, which is the outline for the whole book.

**Purpose.** How do you know the evaluation works?
:::