Abstract: Principal component analysis (PCA) is a fundamental tool for data visualization, denoising, and dimensionality reduction. It is widely popular in statistics, machine learning, computer ...

Kirk Moore, who was shot while disarming the attacker, received the honor at Pauls Valley high school on Friday Students at an Oklahoma high school crowned their principal prom king after he charged, ...

The heroic Oklahoma high school principal shot tackling a Columbine-obsessed school shooter was crowned prom king and hailed by students for saving their lives, heartwarming video shows. Pauls Valley ...

The father of an Oklahoma man who was videotaped opening fire inside his former high school and then being tackled by the principal said Wednesday that his son had “some kind of beef” with the ...

Pauls Valley High School Principal Kirk Moore was shot in the leg but still managed to tackle a former student accused of opening fire inside the school, preventing further harm Christina Coulter has ...

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 ...

An Oklahoma high school principal "saved kids' lives" last week when he tackled a gunman and was shot in the leg in the process, the local police chief said. Subscribe to read this story ad-free Get ...

An Oklahoma principal who was shot in the leg while tackling a school shooter on Tuesday was hailed a hero for stopping the gunman and preventing a worse tragedy, officials said. Pauls Valley High ...

A heroic Oklahoma principal was shot in the leg while tackling a school shooter, according to authorities who hailed him for saving pupils’ lives. Pauls Valley High School principal Kirk Moore was the ...

Add Yahoo as a preferred source to see more of our stories on Google. Victoria Principal was a legendary beauty on Dallas, and she hasn't changed a bit! The stunning actress, 76, who rose to fame as ...

A former high school principal in Columbia County was sentenced to just over five years in prison last month for possessing and sharing images of child sex abuse. Jeremy P. Williams, a 50-year-old ...