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9925638115



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In Depth: Linear Regression


■ images 0 Altair.ipynb 0 Cpp.ipynb 0 Data.ipynb 0 Fasta.ipynb 0 Julia.ipynb


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Just as naive Bayes (discussed earlier in In Depth: Naive Bayes Classification) is a good starting point for classification tasks, linear regression models are a good starting point for regression tasks. Such models are popular because they can be fit very quickly, and are very interpretable. You are probably familiar with the simplest form of a linear regression model (i.e.f fitting a straight linę to data) but such models can be extended to model morę complicated data behavior.

In this section we will start with a quick intuitive walk-through of the mathematics behind this well-known problem, before seeing how before moving on to see how linear models can be generalized to account for morę complicated patterns in data.

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0 Lorenz.ipynb •e* lorenz.py 0 R.ipynb Q untitled.dio Q untitledl.dio Q untitled2.dio Q untitled3.dio Q untitled4.dio Q untitled5.dio Q untitled6.dio


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® Lorenz.ipynb •

® R.ipynb X

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python notebook


using RDatasets, Gadfly plot(dataset("datasets","iris"), x="Se


^matplotlib inline

from ipywidgets import interactive, fixed


We explore the Lorenz system of differential equations:


ggplot(data=iris, aes(x=Sepal.Len


Python 3 | Idle


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toc-autonumbering": false, toc-showcode": true, toc-showmarkdowntxt": true


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Let's change (o, /i, p) with ipywidgets and examine the trajectories.


eigen(x)


from lorenz import solve_lorenz

Python 3 | Idle


Eigen{Complex{Float64},Complex{Float 64},Array{Complex{Float64>,2>,Array{Co mplex{Float64>,1>> eigenvalues:

10-element Array{Complex{Float64>,1>: 4.793881566545466 + 0.0im


w = interactive(solve_lorenz,sigma=(0.0,50


interactive(children=(FloatSlider(valu e=10.0, description='sigma', max=50.0) atSlider( value=2.666666666666...


head(iris)


Sepal.Length Sepal.Width Petal.Length


Modę: Command 0 Ln 1, Col 1 Lorenz.ipynb




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