> For the complete documentation index, see [llms.txt](https://docs.data.ca.gov/california-open-data-publishers-handbook/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.data.ca.gov/california-open-data-publishers-handbook/reference/data-preparation-guidance.md).

# Data Preparation and Formatting Guidance

**Referenced from:**

{% content-ref url="/pages/VaD6zvvmyxmTY28qlwlG" %}
[2. Prepare Data for Publishing](/california-open-data-publishers-handbook/2.-prepare-data-for-publishing.md)
{% endcontent-ref %}

This section covers format and structure standards for datasets being shared with others. These standards are designed to make sure that field level information is shared as consistently as possible to minimize:

1. Errors
2. Rework
3. Repetitive questions

This reference covers:

1. [Column headers and order](/california-open-data-publishers-handbook/reference/data-preparation-guidance/column-headers-and-order.md)
2. [Date and time formats](/california-open-data-publishers-handbook/reference/data-preparation-guidance/date-and-time.md)
3. [Text formats](/california-open-data-publishers-handbook/reference/data-preparation-guidance/text.md)
4. [Numeric formats](/california-open-data-publishers-handbook/reference/data-preparation-guidance/numeric.md)
5. [Address formats](/california-open-data-publishers-handbook/reference/data-preparation-guidance/addresses.md)

{% hint style="info" %}
This section is adopted from [guidance published by DataSF](https://datasf.gitbook.io/draft-publishing-standards/data-structure-and-formats/formats) with many thanks to [Singapore's Open Data Program for providing a Data Quality Guide for Tabular Data](https://github.com/datagovsg/data-quality). The bulk of which made its way into this section with additions and modifications. 
{% endhint %}

{% hint style="success" %}
:mega: **Want to provide feedback on future data prep and data quality guides?**

[Fill out the form to indicate interest](https://airtable.com/shrvIiRHxyAAEsq41).
{% endhint %}


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