Issue #43 - How to check if your data is stationary
💊 Pill of the week
In the context of Time Series analysis, a time series is said to be stationary if its statistical properties such as mean, variance, and autocorrelation, remain constant over time. This means that no matter at what point in time you observe the series, the properties are the same. This is a very common requirement for many Time Series models. This week you’ll learn what it is and how to check it. Check it here.
You can find a notebook with code at the end of the newsletter!
Here you can find a post about the two main stationarity tests:
You can learn more about ACF and PACF here:
Finally, a typical application of these tests. You can use them for estimating the parameter “d” in an ARIMA mode like this:
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🤖 Tech Round-Up
No time to check the news this week?
This week's TechRoundUp comes full of AI news. From homes to cars to shopping - , the future is zooming towards us! 🚀
Let's dive into the latest Tech highlights you probably shouldn’t this week 💥
1️⃣ #𝗖𝗘𝗦2024 𝘂𝗻𝘃𝗲𝗶𝗹𝗲𝗱 𝗴𝗿𝗼𝘂𝗻𝗱𝗯𝗿𝗲𝗮𝗸𝗶𝗻𝗴 𝘁𝗲𝗰𝗵!
📱 From sleek gadgets to futuristic AI, the expo was a tech enthusiast's paradise.
The key takeaway?
Tech is not just evolving; it's transforming our lives.
2️⃣ 𝗢𝗽𝗲𝗻𝗔𝗜'𝘀 𝗖𝘂𝘀𝘁𝗼𝗺 𝗔𝗜 𝗖𝗵𝗮𝘁𝗯𝗼𝘁𝘀
OpenAI's new store for custom AI chatbots marks a giant leap in personalized digital interactions. 🤖💬
Imagine chatbots tailored to every need – the future of communication is here!
3️⃣ 𝗖𝗵𝗮𝘁𝗚𝗣𝗧 𝗶𝗻 𝘆𝗼𝘂𝗿 𝗯𝗿𝗮𝗻𝗱-𝗻𝗲𝘄 𝗰𝗮𝗿?
Volkswagen is integrating ChatGPT in cars and SUVs! 🚗💬
Talk about smart driving – your car will not just take you places but also converse, assist, and learn from you.
Samsung's new smart home tech with AI characters and household maps is redefining home automation. 🏠🤖
Your house is not just connected; it's getting its own intelligence!
5️⃣ 𝗪𝗮𝗹𝗺𝗮𝗿𝘁'𝘀 𝗔𝗜 𝗳𝗼𝗿 𝗖𝘂𝘀𝘁𝗼𝗺𝗲𝗿𝘀
Walmart is stepping up with AI to enhance customer experience. 🛒🤖
From shopping assistance to personalized recommendations, AI is making shopping smarter and more intuitive.
🪐Get the code!
Here you have the code to play with your data:
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