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Andrea Osika: Data Enthusiast
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Blog
Back to basics: Excel and a VLOOKUP
The whole reason I began to dive deeper into analytics is that I thought excel could only take me so far. And I was right. Over the...
Mar 31, 2021
3 min read
One way to remove outliers:
Outliers. The world is an imperfect place - full of random, imbalanced, non-normal data. Outliers are the data that doesn't 'match' the...
Mar 25, 2021
3 min read
K-Nearest Neighbors and PCA for Visualizing Overlapping Classes: Exploratory Data Analysis
Visualization is one of my favorite parts of analysis. It takes something that is complex and draws us a picture that can be worth a...
Mar 17, 2021
5 min read
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