Author: Chen Xing
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Construct Discovery using Exploratory Factor Analysis (EFA)
Say for example you have developed a brand new questionnaire that no one has used before. You designed it to measure an abstract construct, but you are unsure if the questionnaire is valid statistically. What would you do? This is where exploratory factor analysis (EFA) comes in. EFA is a statistical technique used when you…
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How to Create a Correlation Heatmap in R
A dataset isn’t just a spreadsheet of numbers — it’s a story waiting to be uncovered. As data analysts, our job is to make sense of that story by identifying patterns, relationships, and signals within the noise. But without a reference point, knowing where to begin can feel overwhelming. That’s where correlation analysis comes in.…
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Checking your data with R
Before any analysis is done, it is the job of the data analyst to ensure that the data is ready. In this post, we will look into how we can do that with R. First, we need to identify the type of data we are looking at before any form of preparation is done. Generally,…
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How I Passed My ICF ACC Exam: Lessons in Ethics, Presence, and the Power of True Coaching
After months of preparation, reflection, and practice, I finally passed my ICF Associate Certified Coach (ACC) exam. And while the sense of accomplishment is real, what stood out most was how much this process deepened my understanding of what it truly means to coach. This wasn’t just about passing an exam—it was about becoming the…
Sim Chen Xing 