I am Yaseen,
A Data Analyst
who works in tech sector in Berlin, Germany. I mostly work with SQL, Redshift, Power BI, Python and Looker to help businesses unlock their data’s potential. I also work on data projects in my spare time. I also share my experiences through my blog, YouTube channel and medium page.
My Tech Stack
#Yaseen's tech stack
spreadsheets = ['Excel', 'VBA', 'PowerPivot', 'Google Sheets']
dtabases = ['SQL Server', 'MySQL', 'Redshift']
business_intelligence = ['Power BI', 'Looker', 'Qlik']
python_libraries = ['Matplotlib', 'NumPy', 'Pandas', 'Scrapy', 'Sci-kit learn', 'nltk', 'prophet', 'pycausalimpact', 'hdbscan']
other_tools = ['Jupyter Lab', 'DBT Cloud', 'SSIS', 'Google Analytics','SAP','MixPanel', 'salesforce']
Portfolio
Blog posts
- Is pursuing higher data quality always the best approach?
As a data analyst, we all read articles stressing the importance of data quality, and it absolutely is crucial. But there’s another side to the story: achieving perfect data can be expensive and time-consuming. If your data is already 99% accurate, is it worth the extra effort to squeeze out that last 1% for your… Read more: Is pursuing higher data quality always the best approach? - How to do CausalImpact analysis in python using pycausalimpact
Making choices is a big part of business, but how do you know if your decisions are actually improving things? Ideally, you’d run controlled experiments, but that’s not always possible. This post explores CausalImpact, a powerful tool that helps you estimate the impact of decisions on your data, even when experiments aren’t an option. It works by creating a counterfactual scenario – what would have happened if you hadn’t made the decision? – and comparing it to the actual results. - How to create Excel icon sets conditional formatting in Google Sheets
One of the features that I missed was the icon sets conditional formatting features in Microsoft excel. I will tell you have you can achieve this in Google Sheets with a small trick