How to.
![free-form text illustration](https://www.displayr.com/wp-content/uploads/2021/02/SurveyData-Webinar-Image.jpg)
Unlock the power of free-form text data analysis. Learn how to use coding, AI text analytics, and word clouds for survey text analysis.
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![How to Calculate an Average Value from Categorical Data](https://www.displayr.com/wp-content/uploads/2018/06/How-to-Calculate-an-Average-Value-from-Categorical-Data.png)
Traditionally, the primary statistic of interest for categorical data is the percentage of the cases in the data that fall into each category. However, there…
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![How to Deal with Missing Values in Cluster Analysis](https://www.displayr.com/wp-content/uploads/2018/04/How-to-Deal-with-Missing-Values-in-Cluster-Analysis.png)
Most of the widely used cluster analysis algorithms can be highly misleading or can simply fail when most or all the observations have some missing values.
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![How to Enter Data from Paper Surveys?](https://www.displayr.com/wp-content/uploads/2018/03/How-to-Enter-Data-from-Paper-Surveys-2.png)
How to enter data from Paper Surveys. Displayr's Matt Engdahl explains the process in a step by step guide.
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![How to calculate sample size](https://www.displayr.com/wp-content/uploads/2018/03/How-to-calculate-sample-size.png)
Sample size: What is the smallest number of data points required in the survey or experiment? Data scientist Tim Bock explains in this informative article.
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![trump word cloud](https://www.displayr.com/wp-content/uploads/2018/02/trumpcloud.png)
Learn how to create a color-coded Word Cloud based on sentiment to reveal the prominent words and their tone.
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![Image of dirty laundry in a basket](https://www.displayr.com/wp-content/uploads/2017/06/laundry4.jpg)
Data checking is a bore (and a step we skip at our peril!). The laundry-list of data checking tasks can be seemingly endless: identifying bogus respondents,…
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![statistical significance trick](https://www.displayr.com/wp-content/uploads/2017/06/magic-trick.png)
This post describes the single biggest time saving technique that I know about for highlighting significant results on a table. That is just one table that show...
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![](https://www.displayr.com/wp-content/uploads/2017/05/missingdatacluster.jpg)
Most cluster analysis algorithms ignore all of the data for cases with any missing data. I explain & compare the five options for dealing with missing data.
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