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4 ways to correct bad data and improve your AI

Martech

Differentiate between zero and null Missing data can hinder decision-making. Understanding the logic behind how the data is generated is crucial, as no activity (zero) is not the same as missing information (null). We cleaned the dataset by writing corrective code, turning it into a reliable resource.

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2025 Guide to Creating Accessible Emails

Litmus

All images require ALT attributes, so a null ALT attribute should be used for images that dont need to be read by screen readers or dont represent anything vital to the subscriber.

eBook 99
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3 ways to use AI for sitewide entity optimization

Search Engine Land

searchPhrase) { return; } // Your Google Doc ID const document = DocumentApp.openById(' 1_T5BRHiNi3iPnEL6xtys2qEV9WNzPZAwsQdIqtgiFtI '); const body = document.getBody(); let search = null; let count = 0; while (count < 1) { search = body.findText(searchPhrase, search ? search : null); if (!search) search : null); if (!search)

SEO 98
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The ROI of personalized experiences: Process measurements

Martech

A null hypothesis (what must be rejected first to determine that the hypothesis can be true). The challenge is that many of these opinions are anecdotal and what I would call less than scientific. To counter this, we need to run true tests, which include: A hypothesis (what our assumption is).

eCommerce 134
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How Performance Marketing Works [+ 6 Tools You Can Use]

Hubspot Marketing

The caveat we often see is that if the employee leaves the company within a certain window, the reward is null and void. It's a win-win – HR gets qualified candidates while employees feel motivated to assist in the search process. Why give out a commission if the company won't see a return on their investment?

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How web scraping can be a valuable data source

Martech

It is not humanly possible to go through all the data to weed out “nulls and dupes,” Tskaroveli said. To get around that, Rentech will use AWS Lambda to execute a bot that will launch queries from multiple machines to get around query limitations, Dhameliya explained. Many clients collect data with their own devices or use free-lancers.

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How to calculate statistical significance for your A/B tests

Unbounce

If we wanted to get more technical, though, then statistical significance is a measure of the probability that your tests null hypothesis is true. Hang on, though, whats a null hypothesis? A null hypothesis is a sort of counter-hypothesis designed to keep your tests as objective as possible. Still with us?

Price 52