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A data lover with over 5 years of experience. I like to live in data. Data always tells stories. I am a translator, explaining to people the language of data. Exploring data from different perspectives makes me see the world especially. This is an essential trait to be a data worker. Sometimes, I am an architect; building algorithms and models lead you to see the company vision you’ve never seen before. If you are looking for an obedient employee, sorry I am not the one. I would be a good choice of a cooperator and a storyteller.

研究所從事野外生態調查，認識各種鳥類與兩棲類，記錄環境與生物之間的關係。利用R語言整理並分析資料，使用統計方法找出生物與環境之間的關聯性。

台灣大學

高雄師範大學

Data Scientist

YANG MENG-HAN

EPSON TAIWAN TECHNOLOGY & TRADE CO., LTD

Business Analyst

•	Develop an EDM recommendation model (Bias SVD + Xgboost), improving 10% EDM open rate.
•	Constructing Salesforce KPI and operation dashboards helped me awarded 2023 best employee.
•	The ink forecast model assists product managers in controlling ink procurement.
•	Utilize the collage model to assemble a new image from company picture materials based on a description. 
•	Dump printing volume data from AWS S3 and apply Teams to monitor the data pipeline.

•	Evaluated AI routing algorithm and provided advice to the cooperative company on how to improve could achieve the goal we want.
•	Adopted Xgboost to calculate the value of off-line scooters, generated exchange order organized workers which off-line scooter should be exchanged battery first.
•	Built LSTM model to forecast rental demand through user app events understanding the fulfill rate of every operational region.
•	Assessed parking lot value, consulted which one should be deprecated, where could develop new parking lot service.
•	Applied Airflow to ensure the stability and accuracy of data.

WeMo Scooter

Data Engineer

•	Crawled articles from different webs and constructed NLP model integrated text-CNN, Logistic, LightGBM, accuracy around 91%. 
•	Analyzed content of articles to calculate content similarity, then recommended readers related articles to improve the click rate and pageview.
•	Interfaced with GA, dumped data to BigQuery then visualized data via Data Studio to help company partners grasping website traffic.
•	Advertising optimization, offered the performance and bidding situation of different kinds of advertises to the business department to sell ad slots.

Breaktime INC.

•	Developed user segmentation to build CRM helping client administering their customers.
•	Implemented Xgboost to find the most possible purchase customer list and used Cosine Similarity to recommend their interesting product category causing the repurchase rate 4% improved.
•	Built exchange rate API compared the current exchange rate with past 30 days then demonstrated exchange recommend rank to users.

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