---
title: "Estimate"
description: "a point with its interval, the balance of evidence, and how familiar the case is; or withheld"
section: concepts
address: /concepts/estimate
contract: 0476e35e6e275db5
---

# Estimate

a point with its interval, the balance of evidence, and how familiar the case is; or withheld

[figure: Estimate is a fact at follows scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | fact |
| scope | follows |
| key | the model, the version and the case |
| store | postgres+lake |
| family | models |



## Fields


| field | type | required | note |
|---|---|---|---|
| `model` | [Model](/concepts/model) | yes |  |
| `case` | `id` | yes |  |
| `value` | [Interval](/concepts/interval) | no |  |
| `evidence` | [EvidenceRef](/concepts/evidenceref) | yes | each supporting or against |
| `familiarity` | `share` | yes |  |
| `withheld` | `bool` | yes |  |
| `reason` | `text` | no |  |



## Routes that use it
- [`/v1/read/estimate`](/reference/read/estimate) returns it
