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Your Data Teacher

Your Data Teacher

Online courses and lessons about data science, machine learning and artificial intelligence

Home>Your Data Teacher Blog (Page 3)

Your Data Teacher Blog

March 10, 2022

Why SQL is still important for data analysis

Data Science mixes different skills and there are some old skills that are still useful. One of such skills is SQL.

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March 3, 2022

Do companies really need Deep Learning?

We’ve seen strong growth of Deep Learning techniques in the past few years. Thanks to technologies like Tensorflow and Keras, neural networks have become accessible by anybody in the world. But is Deep Learning really useful for you?

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January 17, 2022

How my degree in Physics helped me become a better Data Scientist

I have a Master’s Degree cum laude in Theoretical Physics. When I started my journey into data science, I figured out how useful it is for this kind of job.

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November 22, 2021

How to choose the bins of a histogram?

Histograms are a very useful tool when we want to give a quick sight to the shape of our data. However, we always have to choose the right number of bins.

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November 8, 2021

How to calculate confidence intervals in Python

When we measure something, we always have to calculate the uncertainty of the result. confidence intervals are a very useful tool to calculate a range in which we can find the real value of the observable with a certain confidence.

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November 1, 2021

Outlier identification using Interquartile Range

Identifying outliers is a very common task in data pre-processing. A simple method for identifying them is using the Interquartile Range.

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October 18, 2021

Increase model stability using Bagging in Python

Data scientists usually search for a model that has the highest accuracy possible. However, they should focus on another term too, which is stability. In this article, I explain what it is and how to increase it using a technique called “bagging”.

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October 11, 2021

Feature selection with Random Forest

Feature selection has always been a great problem in machine learning.
In this article, I’ll show how to perform feature selection using a random forest model in Python.

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September 27, 2021

Is there any difference between data science and machine learning?

Data Science and machine learning are two wonderful and exciting disciplines and are a great part of our lives. Sometimes people confuse them, but they are quite different things.

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September 20, 2021

Free course! Exploratory Data Analysis in Python

I’m very glad to announce that I’ve published my new free course! The topic is the Exploratory Data Analysis using …

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Recent Posts

  • Are you still using the mean and median values to clean the blanks?
  • A practical introduction to sequential feature selection
  • How to compare variances of non-normal samples
  • How is your data distributed? A practical introduction to the Kolmogorov-Smirnov test
  • A practical introduction to the Shapiro-Wilk test for normality

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