Ramsay Lewis
What Type of Correlation is Appropriate for Nominal and Continuous Data?
You’ve got categorical data and you want to see if it’s related to some continuous value. Which type of correlation should you use? Would Pe
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The Crisp Analytics Blog
Explore statistical methods, data analysis guides, and project walkthroughs.
Ramsay Lewis
- 16 min
R Project: Investigating the Relationship Between Meteorological Factors and Suicide in Washington
This study looked to see if weather variables were related to 911 calls for mental health crises in Washington, USA.
Ramsay Lewis
- 4 min
Python Project: Movie Data Correlations
I completed this project simply to demonstrate my data analysis skills using Python.
Ramsay Lewis
- 5 min
SQL Project: Cleaning Nashville Housing Data
I completed this project simply to build my data-cleaning skills using SQL. It demonstrates 5 different data cleaning tasks.
Ramsay Lewis
- 1 min
Tableau Project: Exploring World COVID-19 Data
This is Part 2 of a data analysis project exploring Covid-19 Data. Find Part 1 here. In Part 1 of my Covid-19 data exploration project, I...
Ramsay Lewis
- 3 min
UWG Case Study: Collecting and Analyzing Qualitative Data for a Strategic DEI Plan
I worked with UWG Global Reflections to collect and analyze qualitative interview and focus group data to inform a DEI strategic plan.
Ramsay Lewis
- 4 min
SQL Project: Exploring World COVID-19 Data
This is Part 1 of a data science project exploring Covid Data. Find Part 2 here. This project explores COVID-19 vaccination and death...
![New Data on the Effects of Personalization in Email Marketing [Research Summary]](https://static.wixstatic.com/media/0b84a9_009c84665ec94fa084ee43a0c3ad0953~mv2.png/v1/fill/w_454,h_341,fp_0.50_0.50,q_95,enc_auto/0b84a9_009c84665ec94fa084ee43a0c3ad0953~mv2.png)
Ramsay Lewis
- 3 min
New Data on the Effects of Personalization in Email Marketing [Research Summary]
Personalization in email marketing matters—but how much? Here's an experiment that provides an answer.
Ramsay Lewis
- 5 min
How To Extract Table Data from a PDF or Image
Need to extract data from an image or PDF? Here is a method that works (and 6 that don't).
Ramsay Lewis
- 23 min
What is Meta-analysis? An Introduction to Systematic Reviews and Meta-analysis for Policy Makers
Many governments are moving towards evidence-based policy-making (EBPM). While this may represent an improvement in the police-making...
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