Helen's Portfolio - Business Analyst


Well-organized, strong critical thinking and analytical skills.
16 years experience in marketing, business management and data analysis.
I am passion about finding out meaningful insights from data and improving business efficiency.

Data Visualizations and Reports


Data Visualization - Power BI

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Data visualizations with Power BI.
Interactive report allow users to slice by dimensions.
Movies Industry Overview.

Data Reporting - SSRS

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.Data Visualization using SQL Server Reporting Service.
Interactive report allow user to slice and drill down by each dimension.
Movies industry dataset.

Online Dashboard - Tableau

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Dashboard Reporting with Tableau Public
Interactive Dashboard allow user to filter and slice.
UK Traffic Casualties Report


Database Design and ETL


EDA and Data Cleansing - SQL


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EDA and Data Design with SQL.
View mart design following Kimball techniques. Movie industry dataset.

Database Design - SQL


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Building data model using SSMS, Kimball's guidelines.
Star schema with Fact as Dimension Tables.
Dataset about UK traffic.

ETL - SQL Server Integration Service (SSIS)

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ETL data from csv file using SSIS via Visual Studio.
Building data mart using Kimball's guidelines.
Dataset about UK traffic.


Data Science and Machine Learning


EDA and Machine Learning Pipelines: Classifications - Python

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EDA with Pandas, Seaborn and ydata_profiling.
Machine learning pipelines with Pycaret 3 and Sklearn.
Predictive models for Alzheimer's Disease.

Machine Learning Pipelines: Regressions - Python

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Machine leaning pipelines - regression.
Tools using: Pycaret 3, Scikit-learn - Yellowbricks Country Life Expectency predictive models.

Python and SQL Intergration: sqlite3 - Python


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Building data model using SSMS, Kimball's guidelines.
Star schema with Fact as Dimension Tables.
Dataset about UK traffic.



Contact


Email: le.thuha46@gmail.com - Tel: 902-832-0600