updating dim red

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mhjensen
2019-10-21 23:23:39 +02:00
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@@ -174,7 +174,8 @@ MathJax.Hub.Config({
<h2 id="___sec8" class="anchor">Introducing the Covariance and Correlation functions </h2>
<p>
Before we discuss the PCA theorem, we need to remind ourselves about the definition of the covariance and the correlation function.
Before we discuss the PCA theorem, we need to remind ourselves about
the definition of the covariance and the correlation function.
<p>
Suppose we have defined two vectors
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@@ -525,7 +525,8 @@ We have a data set defined by a design/feature matrix \( \boldsymbol{X} \) (see
<h2 id="___sec8">Introducing the Covariance and Correlation functions </h2>
<p>
Before we discuss the PCA theorem, we need to remind ourselves about the definition of the covariance and the correlation function.
Before we discuss the PCA theorem, we need to remind ourselves about
the definition of the covariance and the correlation function.
<p>
Suppose we have defined two vectors
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@@ -528,7 +528,8 @@ We have a data set defined by a design/feature matrix \( \boldsymbol{X} \) (see
<h2 id="___sec8">Introducing the Covariance and Correlation functions </h2>
<p>
Before we discuss the PCA theorem, we need to remind ourselves about the definition of the covariance and the correlation function.
Before we discuss the PCA theorem, we need to remind ourselves about
the definition of the covariance and the correlation function.
<p>
Suppose we have defined two vectors
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@@ -533,7 +533,8 @@ We have a data set defined by a design/feature matrix \( \boldsymbol{X} \) (see
<h2 id="___sec8">Introducing the Covariance and Correlation functions </h2>
<p>
Before we discuss the PCA theorem, we need to remind ourselves about the definition of the covariance and the correlation function.
Before we discuss the PCA theorem, we need to remind ourselves about
the definition of the covariance and the correlation function.
<p>
Suppose we have defined two vectors
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@@ -411,7 +411,8 @@
"\n",
"## Introducing the Covariance and Correlation functions\n",
"\n",
"Before we discuss the PCA theorem, we need to remind ourselves about the definition of the covariance and the correlation function.\n",
"Before we discuss the PCA theorem, we need to remind ourselves about\n",
"the definition of the covariance and the correlation function.\n",
"\n",
"Suppose we have defined two vectors\n",
"$\\hat{x}$ and $\\hat{y}$ with $n$ elements each. The covariance matrix $\\boldsymbol{C}$ is defined as"
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@@ -340,7 +340,8 @@ We have a data set defined by a design/feature matrix $\bm{X}$ (see below for it
!split
===== Introducing the Covariance and Correlation functions =====
Before we discuss the PCA theorem, we need to remind ourselves about the definition of the covariance and the correlation function.
Before we discuss the PCA theorem, we need to remind ourselves about
the definition of the covariance and the correlation function.
Suppose we have defined two vectors
$\hat{x}$ and $\hat{y}$ with $n$ elements each. The covariance matrix $\bm{C}$ is defined as