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Using Tableau to detect outliers and ruptures
Data Visualizationen8 Apr 2022

Using Tableau to detect outliers and ruptures

To do that, we are going to get the outliers of a dataset, the change points and a piecewise approximation.

#Tableau#Python#Dataviz
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Applying a row-wise function to a Pandas dataframe
Performanceen3 Mar 2022

Applying a row-wise function to a Pandas dataframe

More than 3 years ago, we posted a comparative study about Looping over Pandas data using a CPU.

#Datascience#Python#Performance
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Python Spatial Join with GeoPandas (and GEOS)
Geospatial & Graphsen10 Sept 2021

Python Spatial Join with GeoPandas (and GEOS)

The purpose of this post is to perform an "efficient" spatial join in Python. What is a spatial join?

#Datascience#Python#Spatial
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Goldbach's Comet with Numba and Datashader
Data Visualizationen22 Jul 2021

Goldbach's Comet with Numba and Datashader

This Python notebook is about computing and plotting Goldbach function. It requires some basic mathematical knowledge, nothing fancy!

#Datascience#Python#Datashader
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Quick data exploration with pandas, matplotlib and seaborn
Data Visualizationen24 Mar 2021

Quick data exploration with pandas, matplotlib and seaborn

In this JupyterLab Python notebook we are going to look at the rate of coronavirus [COVID-19] cases in french departments [administrative divisions of…

#Datascience#Dataviz#Python
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Optuna and XGBoost on a tabular dataset
Performanceen16 Feb 2021

Optuna and XGBoost on a tabular dataset

The purpose of this Python notebook is to give a simple example of hyperparameter optimization [HPO] using Optuna and XGBoost.

#Datascience#Python#Performance
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Saving a tf.keras model with data normalization
Machine Learning & AIen29 Jan 2021

Saving a tf.keras model with data normalization

Training a DL model might take some time, and make use of some special hardware.

#Datascience#Python#Machine Learning
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Benford's law and the population of french cities
Geospatial & Graphsen20 Jan 2021

Benford's law and the population of french cities

In this Python notebook, we are going to look at Benford's law, which predicts the leading digit distribution, when dealing with some real-world…

#Datascience#Python#Spatial
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Logistic regression with JAX
Pythonen21 Sept 2020

Logistic regression with JAX

JAX is a Python package for automatic differentiation from Google Research. It is a really powerful and efficient library.

#Datascience#Python
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