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‎content/notes/_index.md

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---
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title: Notes
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---

‎content/notes/physics/_index.md

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---
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title: Physics
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menu:
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notes:
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name: Physics
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identifier: notes-physics
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weight: 10
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---
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# Physics Notes

‎content/notes/physics/electromagnetism/index.md

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---
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title: Electromagnetism
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weight: 10
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menu:
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notes:
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name: Electromagnetism
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identifier: notes-physics-em
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parent: notes-physics
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weight: 10
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---
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<!-- A Sample Program -->
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{{< note title="Maxwell Equation (Integral)" textcolor="white">}}
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$$\delta + 5 $$
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{{< /note >}}
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‎content/notes/python/_index.md

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title: Python Notes
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menu:
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notes:
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name: Python
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identifier: notes-python
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weight: 10
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---
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# Python Notes

‎content/notes/python/web/index.md

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---
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title: WebSocket
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weight: 10
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menu:
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notes:
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name: WebSocket
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identifier: notes-python-web
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parent: notes-python
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weight: 10
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---
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<!-- A Sample Program -->
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{{< note title="Connect to a Websocket">}}
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A sample **python** program is show here.
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```python
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import websocket
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def on_message(ws, message):
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print(message)
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def on_error(ws, error):
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print(f"Encountered error: {error}")
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def on_close(ws, close_status_code, close_msg):
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print("Connection closed")
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def on_open(ws):
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print("Connection opened")
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ws.send("Hello, Worldy!")
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if __name__ == "__main__":
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ws = websocket.WebSocketApp("ws://localhost:xxxx", # insert here you websocket addres
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on_message=on_message,
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on_error=on_error,
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on_close=on_close)
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ws.on_open = on_open
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ws.run_forever()
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```
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Run the program as below:
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```bash
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$ python websocket_example.py
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```
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{{< /note >}}
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<!-- Declaring Variables
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{{< note title="Variables" >}}
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**Normal Declaration:**
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```go
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var msg string
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msg = "Hello"
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```
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---
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**Shortcut:**
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```go
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msg := "Hello"
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```
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{{< /note >}}
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<!-- Declaring Constants -->
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<!-- {{< note title="Constants" >}}
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```go
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const Phi = 1.618
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```
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{{< /note >}} --> -->

‎public/categories/finance/index.html

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<div class="post-card">
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<a href="/posts/finance/stock_prediction/sarimax/index.md/" class="post-card-link">
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<img class="card-img-top" src='/images/default-hero.jpg' alt="Hero Image">
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<a href="/posts/finance/stock_prediction/sarimax/" class="post-card-link">
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<img class="card-img-top" src='/posts/finance/stock_prediction/sarimax/sarimax_example_files/sarimax_example_6_0.png' alt="Hero Image">
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<div class="card-body">
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<a href="/posts/finance/stock_prediction/sarimax/index.md/" class="post-card-link">
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<a href="/posts/finance/stock_prediction/sarimax/" class="post-card-link">
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<h5 class="card-title">SARIMAX Model Analysis of Apple Stock with Exogenous Variables</h5>
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<p class="card-text post-summary">Introduction to Exogenous Variables in Time Series Models Exogenous variables, also known as external regressors, are independent variables that are not part of the main time series but can influence it. In the context of stock price prediction, exogenous variables might include:
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Market indices (e.g., S&amp;P 500) Economic indicators (e.g., GDP growth, unemployment rate) Company-specific metrics (e.g., revenue, earnings per share) Sentiment indicators (e.g., social media sentiment) Mathematical Formulation of SARIMAX The SARIMAX model extends the SARIMA model by including exogenous variables.</p>
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<p class="card-text post-summary">In the previous articles we saw the limitations of the ARIMA and SARIMA. Therefore, in this article we are going to implement a SARIMAX model the can include exogenous variables
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Introduction to Exogenous Variables in Time Series Models Exogenous variables, also known as external regressors, are independent variables that are not part of the main time series but can influence it. In the context of stock price prediction, exogenous variables might include:</p>
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</a>
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<div class="card-footer">
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<span class="float-start">
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Saturday, July 6, 2024
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| 12 minutes </span>
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| 7 minutes </span>
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<a
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href="/posts/finance/stock_prediction/sarimax/index.md/"
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href="/posts/finance/stock_prediction/sarimax/"
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class="float-end btn btn-outline-info btn-sm">Read</a>
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‎public/categories/finance/index.xml

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<language>en</language>
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<lastBuildDate>Sat, 06 Jul 2024 00:00:00 +0100</lastBuildDate><atom:link href="http://localhost:1313/categories/finance/index.xml" rel="self" type="application/rss+xml" /><item>
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<title>SARIMAX Model Analysis of Apple Stock with Exogenous Variables</title>
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<link>http://localhost:1313/posts/finance/stock_prediction/sarimax/index.md/</link>
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<link>http://localhost:1313/posts/finance/stock_prediction/sarimax/</link>
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<pubDate>Sat, 06 Jul 2024 00:00:00 +0100</pubDate>
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<guid>http://localhost:1313/posts/finance/stock_prediction/sarimax/index.md/</guid>
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<description>Introduction to Exogenous Variables in Time Series Models Exogenous variables, also known as external regressors, are independent variables that are not part of the main time series but can influence it. In the context of stock price prediction, exogenous variables might include:
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Market indices (e.g., S&amp;amp;P 500) Economic indicators (e.g., GDP growth, unemployment rate) Company-specific metrics (e.g., revenue, earnings per share) Sentiment indicators (e.g., social media sentiment) Mathematical Formulation of SARIMAX The SARIMAX model extends the SARIMA model by including exogenous variables.</description>
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<guid>http://localhost:1313/posts/finance/stock_prediction/sarimax/</guid>
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<description>In the previous articles we saw the limitations of the ARIMA and SARIMA. Therefore, in this article we are going to implement a SARIMAX model the can include exogenous variables
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Introduction to Exogenous Variables in Time Series Models Exogenous variables, also known as external regressors, are independent variables that are not part of the main time series but can influence it. In the context of stock price prediction, exogenous variables might include:</description>
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‎public/index.json

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‎public/index.xml

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<item>
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<title>Electromagnetism</title>
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<link>http://localhost:1313/notes/physics/electromagnetism/</link>
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<pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
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<guid>http://localhost:1313/notes/physics/electromagnetism/</guid>
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<description>Maxwell Equation (Integral) $$\delta + 5 $$ x</description>
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</item>
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<item>
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<title>WebSocket</title>
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<link>http://localhost:1313/notes/python/web/</link>
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<pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
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<guid>http://localhost:1313/notes/python/web/</guid>
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<description>Connect to a Websocket A sample python program is show here.
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import websocket def on_message(ws, message): print(message) def on_error(ws, error): print(f&amp;#34;Encountered error: {error}&amp;#34;) def on_close(ws, close_status_code, close_msg): print(&amp;#34;Connection closed&amp;#34;) def on_open(ws): print(&amp;#34;Connection opened&amp;#34;) ws.send(&amp;#34;Hello, Worldy!&amp;#34;) if __name__ == &amp;#34;__main__&amp;#34;: ws = websocket.WebSocketApp(&amp;#34;ws://localhost:xxxx&amp;#34;, # insert here you websocket addres on_message=on_message, on_error=on_error, on_close=on_close) ws.on_open = on_open ws.run_forever() Run the program as below:
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$ python websocket_example.py --&gt;</description>
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</item>
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‎public/notes/index.html

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<li id="list-heading"><a href="/notes" data-filter="all">Notes</a></li>
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<div class="subtree">
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<li>
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<i data-feather="plus-circle"></i><a class=" list-link" href="/notes/physics/"> Physics</a>
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<ul class="">
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<li><a class=" list-link" href="/notes/physics/electromagnetism/" title="Electromagnetism">Electromagnetism</a></li>
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</ul>
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</li>
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<li>
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<i data-feather="plus-circle"></i><a class=" list-link" href="/notes/python/"> Python</a>
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<ul class="">
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<li><a class=" list-link" href="/notes/python/web/" title="WebSocket">WebSocket</a></li>
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</ul>
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</li>
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</ul>
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<!-- A Sample Program -->
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<p><div class="note-card ">
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<div class="item">
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<h5 class="note-title"><span>Maxwell Equation (Integral)</span></h5>
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<div class="card">
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<div class="card-body">$$\delta + 5 $$</div>
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</div>
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</div>
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</div>
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x</p>
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<!-- A Sample Program -->
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<div class="note-card ">
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<div class="item">
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<h5 class="note-title"><span>Connect to a Websocket</span></h5>
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<div class="card">
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<div class="card-body"><p>A sample <strong>python</strong> program is show here.</p>
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<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-python" data-lang="python"><span style="display:flex;"><span><span style="color:#f92672">import</span> websocket
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</span></span><span style="display:flex;"><span>
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</span></span><span style="display:flex;"><span>
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</span></span><span style="display:flex;"><span><span style="color:#66d9ef">def</span> <span style="color:#a6e22e">on_message</span>(ws, message):
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</span></span><span style="display:flex;"><span> print(message)
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</span></span><span style="display:flex;"><span>
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</span></span><span style="display:flex;"><span><span style="color:#66d9ef">def</span> <span style="color:#a6e22e">on_error</span>(ws, error):
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</span></span><span style="display:flex;"><span> print(<span style="color:#e6db74">f</span><span style="color:#e6db74">&#34;Encountered error: </span><span style="color:#e6db74">{</span>error<span style="color:#e6db74">}</span><span style="color:#e6db74">&#34;</span>)
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</span></span><span style="display:flex;"><span>
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</span></span><span style="display:flex;"><span><span style="color:#66d9ef">def</span> <span style="color:#a6e22e">on_close</span>(ws, close_status_code, close_msg):
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</span></span><span style="display:flex;"><span> print(<span style="color:#e6db74">&#34;Connection closed&#34;</span>)
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</span></span><span style="display:flex;"><span>
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</span></span><span style="display:flex;"><span><span style="color:#66d9ef">def</span> <span style="color:#a6e22e">on_open</span>(ws):
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</span></span><span style="display:flex;"><span> print(<span style="color:#e6db74">&#34;Connection opened&#34;</span>)
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</span></span><span style="display:flex;"><span> ws<span style="color:#f92672">.</span>send(<span style="color:#e6db74">&#34;Hello, Worldy!&#34;</span>)
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</span></span><span style="display:flex;"><span>
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</span></span><span style="display:flex;"><span><span style="color:#66d9ef">if</span> __name__ <span style="color:#f92672">==</span> <span style="color:#e6db74">&#34;__main__&#34;</span>:
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</span></span><span style="display:flex;"><span> ws <span style="color:#f92672">=</span> websocket<span style="color:#f92672">.</span>WebSocketApp(<span style="color:#e6db74">&#34;ws://localhost:xxxx&#34;</span>, <span style="color:#75715e"># insert here you websocket addres</span>
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</span></span><span style="display:flex;"><span> on_message<span style="color:#f92672">=</span>on_message,
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</span></span><span style="display:flex;"><span> on_error<span style="color:#f92672">=</span>on_error,
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</span></span><span style="display:flex;"><span> on_close<span style="color:#f92672">=</span>on_close)
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</span></span><span style="display:flex;"><span> ws<span style="color:#f92672">.</span>on_open <span style="color:#f92672">=</span> on_open
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</span></span><span style="display:flex;"><span> ws<span style="color:#f92672">.</span>run_forever()
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</span></span></code></pre></div><p>Run the program as below:</p>
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<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>$ python websocket_example.py
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</span></span></code></pre></div></div>
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</div>
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</div>
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</div>
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<!-- Declaring Variables
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<div class="note-card ">
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<div class="item">
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<h5 class="note-title"><span>Variables</span></h5>
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<div class="card">
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<div class="card-body"><p><strong>Normal Declaration:</strong></p>
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<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-go" data-lang="go"><span style="display:flex;"><span><span style="color:#66d9ef">var</span> <span style="color:#a6e22e">msg</span> <span style="color:#66d9ef">string</span>
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</span></span><span style="display:flex;"><span><span style="color:#a6e22e">msg</span> = <span style="color:#e6db74">&#34;Hello&#34;</span>
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</span></span></code></pre></div></div>
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</div>
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<div class="card">
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<div class="card-body"><p><strong>Shortcut:</strong></p>
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<div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-go" data-lang="go"><span style="display:flex;"><span><span style="color:#a6e22e">msg</span> <span style="color:#f92672">:=</span> <span style="color:#e6db74">&#34;Hello&#34;</span>
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</span></span></code></pre></div></div>
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</div>
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</div>
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<!-- Declaring Constants -->
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<!-- <div class="note-card ">
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<div class="item">
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<h5 class="note-title"><span>Constants</span></h5>
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<div class="card">
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<div class="card-body"><div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-go" data-lang="go"><span style="display:flex;"><span><span style="color:#66d9ef">const</span> <span style="color:#a6e22e">Phi</span> = <span style="color:#ae81ff">1.618</span>
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</span></span></code></pre></div></div>
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</div>
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--> -->
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‎public/notes/index.xml

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<title>Electromagnetism</title>
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<link>http://localhost:1313/notes/physics/electromagnetism/</link>
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<pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
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<guid>http://localhost:1313/notes/physics/electromagnetism/</guid>
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<description>Maxwell Equation (Integral) $$\delta + 5 $$ x</description>
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</item>
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<item>
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<title>WebSocket</title>
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<link>http://localhost:1313/notes/python/web/</link>
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<pubDate>Mon, 01 Jan 0001 00:00:00 +0000</pubDate>
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<guid>http://localhost:1313/notes/python/web/</guid>
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<description>Connect to a Websocket A sample python program is show here.
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import websocket def on_message(ws, message): print(message) def on_error(ws, error): print(f&amp;#34;Encountered error: {error}&amp;#34;) def on_close(ws, close_status_code, close_msg): print(&amp;#34;Connection closed&amp;#34;) def on_open(ws): print(&amp;#34;Connection opened&amp;#34;) ws.send(&amp;#34;Hello, Worldy!&amp;#34;) if __name__ == &amp;#34;__main__&amp;#34;: ws = websocket.WebSocketApp(&amp;#34;ws://localhost:xxxx&amp;#34;, # insert here you websocket addres on_message=on_message, on_error=on_error, on_close=on_close) ws.on_open = on_open ws.run_forever() Run the program as below:
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$ python websocket_example.py --&gt;</description>
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</item>
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