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assignment Уровень : Продвинутый
chat_bubble_outline Язык : английский

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## Важная информация

credit_card Обучение платное
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timer 6 час(ы) курса

## Резюме

Welcome to the Advanced Linear Models for Data Science Class 1: Least Squares. This class is an introduction to least squares from a linear algebraic and mathematical perspective. Before beginning the class make sure that you have the following: - A basic understanding of linear algebra and multivariate calculus. - A basic understanding of statistics and regression models. - At least a little familiarity with proof based mathematics. - Basic knowledge of the R programming language. After taking this course, students will have a firm foundation in a linear algebraic treatment of regression modeling. This will greatly augment applied data scientists' general understanding of regression models.

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## Программа

• Week 1 - Background
We cover some basic matrix algebra results that we will need throughout the class. This includes some basic vector derivatives. In addition, we cover some some basic uses of matrices to create summary statistics from data. This includes calculating and subtrac...
• Week 2 - One and two parameter regression
In this module, we cover the basics of regression through the origin and linear regression. Regression through the origin is an interesting case, as one can build up all of multivariate regression with it.
• Week 3 - Linear regression
In this lecture, we focus on linear regression, the most standard technique for investigating unconfounded linear relationships.
• Week 4 - General least squares
We now move on to general least squares where an arbitrary full rank design matrix is fit to a vector outcome.
• Week 5 - Least squares examples
Here we give some canonical examples of linear models to relate them to techniques that you may already be using.
• Week 6 - Bases and residuals
Here we give a very useful kind of linear model, that is decomposing a signal into a basis expansion.
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## Пользователи

Brian Caffo, PhD
Professor, Biostatistics
Bloomberg School of Public Health

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## Разработчик

The mission of The Johns Hopkins University is to educate its students and cultivate their capacity for life-long learning, to foster independent and original research, and to bring the benefits of discovery to the world.
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## Платформа

Coursera - это цифровая компания, предлагающая массовые открытые онлайн-курсы, основанные учителями компьютеров Эндрю Нгом и Стэнфордским университетом Дафни Коллер, расположенные в Маунтин-Вью, штат Калифорния.

Coursera работает с ведущими университетами и организациями, чтобы сделать некоторые из своих курсов доступными в Интернете, и предлагает курсы по многим предметам, включая: физику, инженерию, гуманитарные науки, медицину, биологию, социальные науки, математику, бизнес, информатику, цифровой маркетинг, науку о данных и другие предметы.

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