Statistics

Methods to Define the Modeling Scope of an Internal Credit Risk Model

going through a deep transformation driven by technological progress. These changes affect all sectors, especially the banking industry. Data professionals must quickly adapt to grow to be more efficient, productive, and competitive. For knowledgeable...

Understanding the Chi-Square Test Beyond the Formula

who has written a children’s book and released it in two versions at the identical time into the market at the identical price. One version has a basic cover design, while the opposite...

Modeling Urban Walking Risk Using Spatial-Temporal Machine Learning

After dinner in downtown San Francisco, I said goodbye to friends and pulled out my phone to work out how you can get home. It was near 11:30 pm, and Uber estimates were unusually...

Causal ML for the Aspiring Data Scientist

: Limitations of Machine Learning As an information scientist in today’s digital age, it's essential to be equipped to reply quite a lot of questions that go far beyond easy pattern recognition. Typical machine learning...

From Transactions to Trends: Predict When a Customer Is About to Stop Buying

how math can solve so many problems in the actual world. Once I was in grade school, I definitely didn't see it that way. I never hated math, by the way in which,...

A Case for the T-statistic

Introduction undefined, I began eager about the parallels between point-anomaly detection and trend-detection. In relation to points, it’s generally intuitive, and the z-score solves most problems. What took me some time to determine was applying...

Google Trends is Misleading You: How one can Do Machine Learning with Google Trends Data

. What a present to society that is. If not for google trends, how would we've ever known that more Disney movies released within the 2000s led to fewer divorces within the UK. Or that drinking...

The Machine Learning “Advent Calendar” Bonus 1: AUC in Excel

, we'll implement AUC in Excel. AUC is normally used for classification tasks as a performance metric. But we start with a confusion matrix, because that's where everyone begins in practice. Then we'll see why a...

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