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All Blog Posts Tagged 'Cross' (3)

Comparing AI Strategies – Vertical vs. Horizontal

Summary:  Getting an AI startup to scale for an IPO is currently elusive.  Several different strategies are being discussed around the industry and here we talk about the horizontal strategy and the increasingly favored vertical strategy.

 

Looks like there’s a problem brewing in AI startup land.  While AI is most certainly…

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Added by William Vorhies on July 17, 2018 at 7:00am — No Comments

Choice of K in K-fold Cross Validation for Classification in Financial Market

Cross Validation is often used as a tool for model selection across classifiers. As discussed in detail in the following paper https://ssrn.com/abstract=2967184, Cross Validation is typically performed in the following steps:

  • Step 1: Divide the original sample into K sub samples; each subsample typically has equal sample size and is referred to as one fold, altogether,…
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Added by Zhongmin Luo on June 2, 2017 at 7:00pm — No Comments

Apply Machine Learning Techniques to Problems in Financial Market

Past literature show that the comparisons of classifier's performance are specific to the types of datasets (e.g., Pharmaceutical industry data) used; i.e., some classifiers may perform better in some context than others. A paper titled CDS Rate Construction Methods by Machine Learning Techniques conducts the performance comparison exclusively in the context of financial market by applying a wide range of classifiers to provide solution to so-called Shortage of…

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Added by Zhongmin Luo on May 23, 2017 at 1:30am — No Comments

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