---
title: "Data quality chart"
slug: "data-quality-chart"
abstract: "Report on data quality over a time period in Sitecore Discover Customer Engagement Console (CEC)."
---
# Data quality chart

The *Data quality chart* report is a timeline chart in the **Overview** section in **Data Quality**. Bars plot total metrics and lines plot total errors and total error percentage. You can click a data point to open a detailed report for that specific date with other data filters persisting.

These reports are available for requests, events, and product feeds. The following is a typical data quality chart:

![Screenshot of a data quality chart.](https://doc.sitecore.com/api/markdown-image/discover/en/users/discover-user-guide/images/discover_anal_dqual_o_reqs.png)

To examine data points in charts and tables, hover your mouse over the point or element.

To export data, click ![Additional options](<https://doc.sitecore.com/api/markdown-image/discover/en/users/discover-user-guide/images/Additional%20options.png>) and then click **Export Data**.

<details>
<summary><h2>Metrics and KPIs</h2></summary>

This report uses the following metrics and properties:

**Total requests** - the total number of requests for search and recommendation.

**Total events** - the total number of user interaction events sent to track with Discover.

**Avg. records processed** - the average of processed records from all data runs within a period.

**Avg. records rejected** - the average of rejected records from all data runs within a period.

**Total errors** - the total number of search and recommendation request or calls for event tracking that resulted in errors.

**Total error percentage** - the ratio of total errors to total requests or total errors to total events.

</details>