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Alina Zhang
Alina Zhang

1.1K Followers

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Published in DataDrivenInvestor

·Dec 16, 2022

Text Data Augmentationwith Google Translate in NLP Projects: How to Solve the Lack of Label Data Problem

Synthetic text data to the rescue — Annotation is expensive. The lack of training data and the imbalanced datasets are common issues in natural language processing projects. This article introduces some widely used augmentation approaches and provides example code for generating synthetic text data. Outline: Common approaches in test data augmentation: NLPAug, imbalanced-learn How to generate synthetic…

NLP

5 min read

Text Data Augmentation With Google Translate in NLP Projects: How to Solve the Lack of Label Data…
Text Data Augmentation With Google Translate in NLP Projects: How to Solve the Lack of Label Data…
NLP

5 min read


Sep 6, 2022

Six TED Talks About Death: Grief, Fear, And Hope

Inspiring thoughts about life’s hardest moments — The death of loved ones is one of life’s hardest moments. When it happened, most of us are unprepared. There are six TED talks that inspired me in answering questions about death including: Other than a biological process, can we redefine death from other perspectives? Is it possible that humans…

Philosophy

10 min read

Six TED Talks About Death: Grief, Fear, And Hope
Six TED Talks About Death: Grief, Fear, And Hope
Philosophy

10 min read


Aug 29, 2022

“Why Information Grows: The Evolution of Order, from Atoms to Economies” by César Hidalgo

The novel interpretation of economic growth — The Chip 4 plan has become a trending topic globally. Why countries such as South Korea and the US can produce 3-nanometer chips while others can’t? Why it is extremely difficult to copy the technology to other countries? The book “Why Information Grows: The Evolution of Order, from Atoms to…

Semiconductors

9 min read

“Why Information Grows: The Evolution of Order, from Atoms to Economies” by César Hidalgo
“Why Information Grows: The Evolution of Order, from Atoms to Economies” by César Hidalgo
Semiconductors

9 min read


Published in Towards Data Science

·Apr 20, 2022

Postgres Fuzzy Search With pg_trgm: Smart Database Guesses What You Want and Returns “Cat Food” When “Pet Food” Not Found

Intelligent search with pg_trgm and Levenshtein distance in Postgres — There are three common scenarios in database searches that go beyond the capability of traditional wildcard querying. First, when users search for “pet food” but there are no products called “pet food” found in your database, would the database be smart enough to return “cat food” or “dog food” instead? …

Database

5 min read

Postgres Fuzzy Search With pg_trgm: Smart Database Guesses What You Want and Returns “Cat Food”…
Postgres Fuzzy Search With pg_trgm: Smart Database Guesses What You Want and Returns “Cat Food”…
Database

5 min read


Feb 20, 2022

Inspiring Quotes from Book “The Consolations of Philosophy”

The Polaris in the technological society — Shrek has been working for a tech company for a few years. He is hard-working, self-motivated, and focused. But he still has lots of confusion about goals and reality, frustrations and pleasures, reason and instincts, sufferings and fruitfulness. Therefore he starts looking for answers in philosophy. What did philosophers think…

Self Improvement

8 min read

Inspiring Quotes from Book “The Consolations of Philosophy”
Inspiring Quotes from Book “The Consolations of Philosophy”
Self Improvement

8 min read


Published in DataDrivenInvestor

·Feb 8, 2022

Association Rule With Apriori: Panning Gold in Sand Using Support, Confidence, And Lift

A grocery store achieved 22 million orders last year. Somehow you are the owner of this grocery store (congratulations 😊). You might want to ask some questions to build a deeper understanding of the underlying logic in your retail business. For example, within the large volume of transactions, What is…

Data Science

4 min read

Association Rule With Apriori: Panning Gold in Sand Using Support, Confidence, And Lift
Association Rule With Apriori: Panning Gold in Sand Using Support, Confidence, And Lift
Data Science

4 min read


Nov 22, 2021

What are the Hypotheses Behind the Main Solutions of Recommender System

Boost sales with machine learning and statistics powered recommender system — To buy, or not to buy: that is the question. If you were a manager of a grocery store, what products customers never bought but may like? If you run a restaurant, what is the food clients never ordered but may like? …

Data Science

4 min read

What are the Hypotheses Behind the Main Solutions of Recommender System
What are the Hypotheses Behind the Main Solutions of Recommender System
Data Science

4 min read


Published in DataDrivenInvestor

·Nov 12, 2021

Recommender System With Machine Learning and Statistics

Step-By-Step Guide to Build Collaborative Filtering and Association Rule Based Recommender Using Fastai and Python — Recommender system is a promising approach to boost sales to the next level by suggesting the right products to the right customers. This course starts by showing you the main solutions of recommender systems in the industry and the hypotheses behind the main solutions. You’ll then learn how to build…

Data Science

3 min read

Recommender System With Machine Learning and Statistics
Recommender System With Machine Learning and Statistics
Data Science

3 min read


Aug 24, 2021

Everything Will Have an Answer

The 7th anniversary of my Independence Day — If you are lonely Why you told me you’re not lonely Low compatibility with other humans The vacuum you abhorred Settled and unsettled What’s my anchor Goodness and badness Maybe bots are my anchors Whatever you seek It is not evenly distributed Everything will have an answer I didn’t find you but I…

Poem

1 min read

Everything Will Have an Answer
Everything Will Have an Answer
Poem

1 min read


Aug 24, 2021

出仕表

The 7th —

Poetry

1 min read

出仕表
出仕表
Poetry

1 min read

Photo by Author

出仕表

The 7th

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Alina Zhang

Alina Zhang

1.1K Followers

Data Scientist: Keep it simple. https://lnkd.in/gjwc233a

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