STEM

Data Normalization & Rescaling

Normalizing data is a common task in many applications, especially when working with large datasets, machine learning, or statistical analysis. There are two common statistical methods for normalization: Min-Max Scaling, Standardization or Z-score Normalization. But there are other ways too, which I will demonstrate in the examples below. 1. Min-Max Scaling (Normalizes Data to Between […]

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STEM

Comparing Apples with Oranges?

The familiar saying, “Comparing apples to oranges,” suggests that it’s illogical to compare two distinct items. However, in the realm of statistics, such comparisons are not only possible but sometimes necessary. By establishing a uniform standard or metric, we can evaluate items that, at first glance, appear incomparable. In this article, I present some straightforward […]

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STEM

Conditional Coloring of Bar, Column Charts: 3 Examples

There are times when we want specific colors for bars or column in Excel charts to represent certain values or categories. Unfortunately, this isn’t a default feature, and it necessitates manually coloring each bar or series, which doesn’t automatically adjust when the data is altered. However, there are ways to achieve that with a little […]

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