Tutorials about data science and statistics, data analyses and visualisations, and more in-depth technical notes.
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Statistics
Frequentist A/B testing cheatsheet
Frequentist A/B testing cheatsheet
Calculate the sample size for A/B testing
Calculate the sample size for A/B testing
Delta Method for A/B testing
Delta Method for A/B testing
Bootstrapping for A/B testing
Bootstrapping for A/B testing
Calculate confidence intervals in Python
Calculate confidence intervals in Python
Reduce required sample size with CUPED
Reduce required sample size with CUPED
Difference-in-differences method
Difference-in-differences method
Aggregate small cohorts for A/B testing
Aggregate small cohorts for A/B testing
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Data Science
Efficiently visualise clusters by features
Efficiently visualise clusters by features
Estimate consumers lifetime value
Estimate consumers lifetime value
Compare algorithms for time series prediction
Compare algorithms for time series prediction
Assign XP groups with hash functions
Assign XP groups with hash functions
Training: introduction to SQL
Training: introduction to SQL
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Data Analyses
Visualising Google location history
Visualising Google location history
Public Wifi in Paris: how touristic is the city?
Public Wifi in Paris: how touristic is the city?
French baby names evolution since 1915
French baby names evolution since 1915
Causes of aircrafts crashes since 1908
Causes of aircrafts crashes since 1908
How old did French kings live?
How old did French kings live?
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Google Cloud Platform
Schedule start and stop for a GCP VM
Schedule start and stop for a GCP VM
BigQuery’s killer functions
BigQuery’s killer functions
Schedule BigQuery jobs
Schedule BigQuery jobs
Query Google Analytics 360 raw logs
Query Google Analytics 360 raw logs
Analyze Google Analytics 360 raw logs
Analyze Google Analytics 360 raw logs
Create a cloud-based JupyterLab with GCP
Create a cloud-based JupyterLab with GCP
Create a GCP notebook with custom disk size
Create a GCP notebook with custom disk size
Authenticate to Google API on cloud notebooks
Authenticate to Google API on cloud notebooks
Authenticate to BigQuery in a Jupyter notebook
Authenticate to BigQuery in a Jupyter notebook
Use Jupyter magic commands for BigQuery
Use Jupyter magic commands for BigQuery
Copy files from URL to Google Cloud Storage
Copy files from URL to Google Cloud Storage
View BigQuery most expensive queries
View BigQuery most expensive queries
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Advanced Git
Squash and reorder commits in Git
Squash and reorder commits in Git
Manage multiple Git accounts locally
Manage multiple Git accounts locally
Merge two Git repositories into one
Merge two Git repositories into one
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Misc
Notion tips and tricks
Notion tips and tricks
