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aa_test_analysis

ab_test_sample_size_calculation

about_you_case_study

This repo contains a full analysis of the sales, promo, and pricing trends of fashion products sold by the European E-commerce company "About You". It also contains an ARIMA machine learning model to predict order volume based on historical sales.

airflow_at_delivery_hero

This repo contains a readme.md file that explains how to use Airflow at Delivery Hero

airflow_data_pipelines

This repo contains several DAGs that use a wide variety of Airflow's operators and capabilities

airflow_installation_instructions

This repo contains a readme.md file explaining how to install Airflow locally using Docker

airflow_local

This repo contains the DAGs that run on my local Airflow environment. I use the local environment to test my DAGs before deploying them to virtual machines via Kubernetes

amazon_luwak_coffee_scraper

This repo contains a Python-based web crawler that scrapes data on Luwak coffee products from amazon.de. It is designed to surpass Amazon's anti-bot mechanisms and crawl the most important info from the product pages successfully

anmeldung_bot

This is a bot that notifies the user of available Anmledung (i.e., appointment registration) appointments in Berlin, Germany

bootstrap_analysis

bq_routine_asa_and_scheme_versioning

[Delivery Hero] This is a BigQuery routine to detect changes in the ASA or scheme configuration throughout a particular time period. It lets you know which changes occurred and how many times they took place. This helps us troubleshoot data problems in experiments.

business_metrics_tracker_in_gbq

This repo contains a Big Query code that pulls raw data from a central data warehouse, cleans it, and aggregates it into meaningful KPIs. The queries feed a Data Studio dashboard that senior executives use it to keep track of the business performance

comp_intel_scraping_geo_points

dfp_spielerbeurteilung_dashboard

This repo contains a Jupyter notebook that cleans data in CSV files and publishes the data to BigQuery so it gets fed to a Looker Studio dashboard

dh_sql_queries

distributions_of_per_user_metrics

This repo contains an R script that algorithmically finds the best distribution that fits several continuous, randomized variables

elasticity_test_analysis

This repo contains a Jupyter notebook that analyzes the order and CVR of various price elasticity tests in Thailand

etl_pipeline_analytics_dashboard_in_r

This repo contains a full ETL pipeline coded in R. The script extracts data from Airtable, cleans and aggregates the data into meaningful statistics, then stores the end result in a G-sheet, which feeds a Data Studio dashboard

fiverr_scraper

This repo contains a Python script that crawls gig information from the "Data Processing" category on Fiverr

google_trends_py_script

This repo contains a script that pulls Google Trends data from the Pytrends library and plots the popularity of several keywords

gpt_python_bootcamp

This repo contains the materials used in the GPT Python bootcamp

indeed_crawler_mod

This script scrapes job listings on Indeed, a popular job platform. The code was modified to work on a Windows VM

latam_airlines_scraper_selenium

This repo contains a Python script that opens the website of LATAM airlines, inputs some parameters in the flight search fields and scrapes some data off of the page using Python selenium

loved_brands_automation_local

This repo contains an algorithm that identifies vendors whose customers have a higher willingness to pay. The inherent inelasticity of these vendors is utilized as part of a price differentiation strategy called "Loved Brands"

loved_brands_elasticity_curve_analysis

loved_brands_impact_simulation_tool

loved_brands_match_percentage_analysis

This repo contains a Python script that computes the match percentage of Loved Brands and Non-Loved Brands between different pipeline run dates

loved_brands_rollout_tests

mab_significance_analysis

This repo contains Python code that analyzes 280+ AB tests to identify if there are differences between treatment scope and experiment level significance calculations

motorcycle_importing_cost_analysis

This repo contains a Python script that uses Scrapy to scrape motorcycle attributes off of a Polish website and enter them into an online importing cost estimation tool using Selenium