How to.

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How to Analyze Free-Form Text Data from Surveys
15 August 2018 | by Tim Bock

I'll show you three simple methods of analyzing free-form text data from open ended survey questions and explain when you might use each.

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How to Calculate an Average Value from Categorical Data
How to Calculate an Average Value from Categorical Data
18 June 2018 | by Tim Ali

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
How to Deal with Missing Values in Cluster Analysis
06 April 2018 | by Tim Bock

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?
How to Enter Data from Paper Surveys
29 March 2018 | by Mattias Engdahl

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
How to calculate minimum sample size for a survey or experiment
22 March 2018 | by Tim Bock

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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How to Show Sentiment in Word Clouds
14 February 2018 | by Tim Bock

How to create color-coded Word Cloud, with colors are based on sentiment. Step-by-step instructions with a free tool for creating sentiment in Word Clouds.

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Automatic Data Checking: Let Your Analytics Package Do Your Dirty Laundry for You
16 October 2017 | by Matt Steele

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
The Magic Trick that Highlights Interesting Results on Any Table
12 June 2017 | by Tim Bock

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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5 Ways to Deal with Missing Data in Cluster Analysis
10 May 2017 | by Tim Bock

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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