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Questions and Answers
What branch of mathematics deals with matrices and vectors?
What branch of mathematics deals with matrices and vectors?
- Calculus
- Linear algebra (correct)
- Statistics
- Geometry
In linear regression, what is the goal of Ordinary Least Squares?
In linear regression, what is the goal of Ordinary Least Squares?
- Maximize the mean squared error
- Fit a non-linear model
- Ignore the explanatory variables
- Minimize the mean squared error (correct)
What does the function to be fitted in linear regression look like?
What does the function to be fitted in linear regression look like?
- $f(x) = \sin(x)$
- $f(x) = e^x$
- $f(x) = mx + c$
- $f(x) = \beta_0 + \beta_1x_1 + \beta_2x_2 + ... + \beta_nx_n$ (correct)
How is the minimization problem in linear regression solved using linear algebra?
How is the minimization problem in linear regression solved using linear algebra?
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What is the mathematical representation of linear regression in matrix form?
What is the mathematical representation of linear regression in matrix form?
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What is the goal of Ordinary Least Squares in linear regression?
What is the goal of Ordinary Least Squares in linear regression?
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In linear regression, what does the function to be fitted look like?
In linear regression, what does the function to be fitted look like?
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How is the minimization problem in linear regression solved using linear algebra?
How is the minimization problem in linear regression solved using linear algebra?
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What branch of mathematics deals with matrices and vectors?
What branch of mathematics deals with matrices and vectors?
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What is the linear algebra approach used under the hood when calling sklearn.linear_model.LinearRegression?
What is the linear algebra approach used under the hood when calling sklearn.linear_model.LinearRegression?
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