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Engineering Alpha

Sofien Kaabar, CFA
Tens of paid subscribers

Sharing in-depth machine learning, quantitative, and technical market knowledge.

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PricingFreemiumPublishesDaily
Issues1624Founded5 years agoLast Issue3 days ago
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Latest Issues

Why Time Series Is Not Just Regression With Time

Common Misconceptions in Time Series Analysis

If you’ve worked with standard regression models, it’s tempting to think time series is just the same thing with a date column added.

3 days ago
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The Bias–Variance Tradeoff in Time Series Forecasting

Why ARIMA Feels Safe, Deep Learning Feels Powerful, and Ensembles Often Win

When you build a time series forecast, you’re making a bet.

4 days ago
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Beyond Hidden Markov Models: Can Change-Point Detection Identify Market Regimes?

Comparing Hidden Markov Models, CUSUM, and Bayesian Online Change-Point Detection using hourly EURUSD data.

Financial markets rarely behave consistently over time. Periods of relatively stable price fluctuations can be followed by sudden i...

5 days ago
3
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Can Topological Data Analysis Detect Changes in Market Regimes?

Financial markets are typically analyzed through returns, volatility, correlations, and trends. These measures provide useful information about price behavior, but they do not necessarily capture every characteristic of a financial time ser...

6 days ago
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Fourier Methods Reveal Cycles: Causal Forecasting with the Discrete Fourier Transform

Many time series contain repeated structure: daily demand cycles, weekly traffic patterns, seasonal temperature patterns, production rhythms, or market microstructure effects. Fourier methods are designed to represent a signal as a sum of o...

10 days ago
11
1

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  • Sofien Kaabar, CFA

    Founder of Quant Atlas - Systematic Market Forecasts www.quant-atlas.com

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