Giannis Tolios – Medium

Giannis Tolios

Exploring Dimensionality Reduction with Python

A Comparison of PCA, t-SNE and UMAP on the Palmer Dataset

9 min readJan 24, 2024

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Exploring Dimensionality Reduction with Python

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Giannis Tolios
in
Towards Data Science

Statistical Hypothesis Testing with Python

Using Pingouin to Examine a Case Study of ANOVA

10 min readAug 25, 2022

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Statistical Hypothesis Testing with Python

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Giannis Tolios

A Guide for Aspiring Data Scientists

How to Successfully Enter the Data Science Field

7 min readApr 29, 2022

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A Guide for Aspiring Data Scientists

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Giannis Tolios
in
Towards Data Science

Forecasting Atmospheric CO2 with Python

How to Create Time Series Forecasting Models with Darts

9 min readMar 22, 2022

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Forecasting Atmospheric CO2 with Python

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Giannis Tolios
in
Towards Data Science

Amazon SageMaker Studio Lab: A Great Alternative to Google Colab

Introducing the New Free Machine Learning Service of AWS

6 min readDec 6, 2021

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Amazon SageMaker Studio Lab: A Great Alternative to Google Colab

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Giannis Tolios
in
Towards Data Science

Clustering Made Easy with PyCaret

Low-code Machine Learning with a Powerful Python Library

10 min readOct 15, 2021

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Clustering Made Easy with PyCaret

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Giannis Tolios
in
Towards Data Science

How I Created a Fake News Detector with Python

Developing a fake news detection app with spaCy and Streamlit

6 min readApr 14, 2021

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How I Created a Fake News Detector with Python

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Giannis Tolios
in
Towards Data Science

Visualizing Climate Change Data with Python

Creating climate change graphs with the xarray and cartopy Python libraries

5 min readFeb 16, 2021

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Visualizing Climate Change Data with Python

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Giannis Tolios
in
Analytics Vidhya

How the Airbnb Market in Athens was Impacted by COVID-19

Exploring the impact of COVID-19 on the Airbnb Market in Athens by using data analysis, visualization and natural language processing.

6 min readJan 25, 2021

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How the Airbnb Market in Athens was Impacted by COVID-19

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Giannis Tolios
in
Towards Data Science

Simplifying Image Outlier Detection with Alibi Detect

How to create an image outlier detector with the autoencoder class of the Alibi Detect Python library

6 min readOct 13, 2020

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Simplifying Image Outlier Detection with Alibi Detect

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Giannis Tolios

Giannis Tolios

A data scientist who is interested in research, sustainability and politics. Follow me at: https://www.linkedin.com/in/giannis-tolios/

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