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Do you remember that day in statistics class when you heard about the normal curve? It’s bell-shaped. It’s symmetrical. It has a formula. Many things one could measure in nature follow this shape — it’sGod’s curve.
Traditional inferential statistics are actually built on top of the assumption that, with…
Writing SQL is important. Being able to efficiently query a database is often considered one of the most essential skills to develop as an aspiring data analyst/scientist.
SQL is not only important but also quite commonly used. According to theStackoverflow Developer Survey 2021, SQL ranks among the top five…
Sentiment analysis is a large field in natural language processing (NLP) that uses techniques to identify, extract and quantify emotions from textual data. In companies, methods of sentiment analysis help automatically understand customer feedback, evaluate social media conversations, and might also help prioritize communication with customers in customer care departments.
Surely almost all data scientists have tried to use thetrain_test_split()function at least once in their life. Thetrain_test_split()function is provided by the scikit-learn Python package. Usually, we do not care much about the effects of using this function, because with a single line of code we obtain…
When talking about Manufacturing, data are becoming more and more important. I’ve studied different kinds of manufacturing processes and I can say that we can understand if there can be some manufacturing issues in the process, just by analyzing the data; of course, after the analysis, if we think that…
In one of my recent articles, I discussed aboutSpeech Recognition and how to implement it in Python. In today’s article we will go a step further and explore how to perform topic detection over audio and video files.
As an example let’s consider podcasts which are becoming more and…
Pandas is one of the most popular data wrangling tools in Python due to its intuitive data structure and rich APIs. Users who switched between Pandas and Pyspark might notice that certain Pandas methods or attributes do not have a Pyspark equivalent.
In this article we will look at a…
You can find all the code at the end. All equation-images are made by the author.
I recently came across this post about solving a 2D partial differential equation using a finite-difference method. I found…
If you’re viewing this article, then you’ve likely heard of the trendy internet game “Wordle”. It’s a highly addictive, family-dividing brain-teaser that was recently purchased by theNew York Times.The objective of this game is to guess the word of the day, which is always a 5-letter word, in…
More and more data scientists are venturing into the world of distributed computing to scale up their computations and process larger datasets faster. But starting your distributed computing journey can feel a bit like entering an alternate universe: overwhelming, intimidating and confusing.
But here’s the good news:you don’t need…
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