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Gabriela VasconcellosMarch 19, 2026 0

SAS democratiza acesso a dados e IA com programa acadêmico gratuito

Para impulsionar a inovação no ensino superior, o SAS oferece acesso gratuito à software de ponta para universidades que desejam preparar seus alunos para o mercado de trabalho cada vez mais orientado a dados e IA por meio do SAS Programa Acadêmico Para reduzir a lacuna entre oferta e demanda

Brazilian Portuguese

Analytics | Learn SAS

Geometric interpretation of the singular value decomposition (SVD) as the product of a rotation/reflection, followed by a scaling, followed by another rotation/reflection.

Rick WicklinMarch 16, 2026 0

On the nonuniqueness of low-rank matrix factors

A common task in statistics is to approximate a large data matrix by using a low-rank approximation. Low-rank approximations are used for reducing the dimension of a problem (for example, in principal component analysis), for image analysis via the singular value decomposition (SVD), and for decomposing large matrices that are

English

Learn SAS | Programming Tips

Rick WicklinMarch 9, 2026 0

Estimate pi by tossing coins

Welcome to Pi Day 2026! Every year on March 14th (written 3/14 in the US), people in the mathematical sciences celebrate "all things pi-related" because 3.14 is the three-decimal approximation to π ≈ 3.14159265358979.... The purpose of this day is to have fun and celebrate the importance and ubiquity of

English

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