From 397ba81d210dad7331626e4bbaccfca3b745576c Mon Sep 17 00:00:00 2001
From: Christian Kolset <christian.kolset@gmail.com>
Date: Wed, 5 Nov 2025 10:13:24 -0700
Subject: Removed book/ from tracking

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 book/module4/linear_regression.tex | 22 ----------------------
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 delete mode 100644 book/module4/linear_regression.tex

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diff --git a/book/module4/linear_regression.tex b/book/module4/linear_regression.tex
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-\section{Linear Regression}\label{linear-regression}
-
-\subsection{Statical tools}\label{statical-tools}
-
-Numpy comes with some useful statistical tools that we can use to
-analyze our data.
-
-\subsubsection{Mean}\label{mean}
-
-The mean is the average of a set of numbers. It is calculated by summing
-all the numbers and dividing by the count of numbers.
-
-\begin{Shaded}
-\begin{Highlighting}[]
-\ImportTok{import}\NormalTok{ numpy }\ImportTok{as}\NormalTok{ np}
-
-\NormalTok{mean }\OperatorTok{=}\NormalTok{ np.mean([}\DecValTok{1}\NormalTok{, }\DecValTok{2}\NormalTok{, }\DecValTok{3}\NormalTok{, }\DecValTok{4}\NormalTok{, }\DecValTok{5}\NormalTok{])}
-\NormalTok{median }\OperatorTok{=}\NormalTok{ np.median([}\DecValTok{1}\NormalTok{, }\DecValTok{2}\NormalTok{, }\DecValTok{3}\NormalTok{, }\DecValTok{4}\NormalTok{, }\DecValTok{5}\NormalTok{])}
-\NormalTok{std }\OperatorTok{=}\NormalTok{ np.std([}\DecValTok{1}\NormalTok{, }\DecValTok{2}\NormalTok{, }\DecValTok{3}\NormalTok{, }\DecValTok{4}\NormalTok{, }\DecValTok{5}\NormalTok{])}
-\NormalTok{variance }\OperatorTok{=}\NormalTok{ np.var([}\DecValTok{1}\NormalTok{, }\DecValTok{2}\NormalTok{, }\DecValTok{3}\NormalTok{, }\DecValTok{4}\NormalTok{, }\DecValTok{5}\NormalTok{])}
-\end{Highlighting}
-\end{Shaded}
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