# Data Cleaning Analytics

You can get analytics on lists run through Big Brain. The analytics will update so you can see how the data is flowing. 

<figure><img src="/files/n8i4cXPZURUioK9zB7im" alt=""><figcaption><p>Data Cleaning Analytics</p></figcaption></figure>

{% hint style="info" %}
If **Contacts Imported to Big Brain** says 0 for an extended period of time, you may not have correctly configured your data cleaning. Edit the list and check your inputs if thsi number does not change.&#x20;
{% endhint %}

| Field                                | Description                                                                        | Notes                                                                                                                                                                 |
| ------------------------------------ | ---------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Contacts Currently in Source**     | A count of the contacts currently in the source file.                              | If you overwrite the source file, this number will be updated to 0 as they are no longer currently in the source file. If they've already been imported to Big Brain. |
| **Contacts Imported into Big Brain** | A count of the contacts from your sources that have been imported to Big Brain.    |                                                                                                                                                                       |
| **Contacts who Passed Filters**      | A count of the remaining contacts who passed your filter setup.                    |                                                                                                                                                                       |
| **Contacts Removed By Filters**      | A count of contacts removed by your filter setup.                                  |                                                                                                                                                                       |
| **Contacts who have been Verified**  | A count of contacts who have had their email verified.                             | This number will be 0 if you didn't select email verification in the enrichment section.                                                                              |
| **Contacts Waiting to Be Verified**  | A count of contacts still being processed by the email verifier.                   |                                                                                                                                                                       |
| **Contacts with Good Emails**        | Contacts who had either a Valid or Accept All email verification status            | These contacts will be kept if you have email verification turned on.                                                                                                 |
| **Contacts with Bad Emails**         | Contacts who had either a Unknown, Invalid or Not Found email verification status. | These contacts will be removed if you have email verification turned on.                                                                                              |
| **Valid Emails**                     | A count of contacts with valid emails with the highest chance of delivering.       |                                                                                                                                                                       |
| **Accept All Emails**                | A count of contacts with accept all / catch all / unverifiable emails.             | Check out this [article](https://www.big-brain.co/resources/accept-all-email-faq) on why you should send to accept all emails.                                        |
| **Invalid Emails**                   | A count of contacts with invalid emails.                                           |                                                                                                                                                                       |
| **Unknown Emails**                   | A count of contacts with unknown emails.                                           |                                                                                                                                                                       |
| **Not Found Emails**                 | A count of contacts who count not be found by the email verifier.                  |                                                                                                                                                                       |


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