Abstract: As an efficient feature engineering tool, principal component analysis (PCA) has been widely used for feature extraction in the past decades. While a deep form of PCA has been developed for ...

Fort Worth ISD said it will reassign a new principal after her hire sparked a sharp backlash from conservatives and far-right groups. The district this week announced Shayma Alzubi as the new ...

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The heroic Oklahoma principal who tackled a gunman that had entered the school said "there was no denying what it was" when gunshots were fired inside the school last month. "It was a typical day ...

Newly released surveillance video shows an Oklahoma high school principal tackling a gunman in the school's lobby. Seconds after the suspect opened fire at Pauls Valley High School last week, ...

An Oklahoma principal is being hailed as a hero after tackling a gunman inside a high school earlier this month – a heart-stopping moment that was captured on video. Authorities said 20-year-old ...

Principal media has become a bigger focus for media agencies, particularly large ones within ad-holding groups that transact substantial publisher deals. The practice entails agencies purchasing media ...

When one hears “agent” these days, one automatically thinks “AI” – but that’s not what this story is about. This is a story about how agencies are losing what makes them agents – as in, putting the ...

In the previous three articles, I explained the mechanism of PCA from scratch. Because you have the experience of manual calculations with NumPy, you understand what the library is doing behind the ...

In the previous article, we learned the basic concept of PCA. Based on the idea of "finding the direction where the data is most spread out," we tried every angle from 0 to 180 degrees in 1-degree ...