Tags - Zekun Wang's Blog

Probability Statistics Simulation R Visualization Cheat Sheet Keynote MLE Method of Moments KDE Bootstrap YouTube EDA Project Python CLT Correlation Career Data Science Talk H1B Text Analysis Dashboard Shiny Web Application COVID-19 Feature Engineering GeoIP Tutorial IP Deep Learning Model Conversion Keras TensorFlow NCNN Model Deployment C++ WebAssembly Object Detection JavaScript Anomaly Detection Machine Learning K-Means PySpark Paper Masked Face Edge Device Serverless Edge Computing Medical Image Processing Web Development Clinical Data Privacy Pandemic Awareness Modeling Pandemic Preparedness Awareness Inequality E-commerce Data Analytics Heterogeneous Social Networks Coding Agent AI Developer Tools CLI LLM Skill Memory Computer Vision Image Processing PDF Generation Client-Side App Productivity Tool

Probability

Power and Sample Size Calculations for Correlational Studies

Probability and Statistical Inference - 10

Central Limit Theorem - Approximation

Probability and Statistical Inference - 09

Simulation Method Comparison

Probability and Statistical Inference - 08

Coverage Probability of MLE

Probability and Statistical Inference - 07

Which quantiles of a continuous distribution can one estimate with more precision?

Probability and Statistical Inference - 05

If home-field advantage exists, how much of an impact does it have on winning the world series?

Probability and Statistical Inference - 04

How often does the better team win the World Series?

Probability and Statistical Inference - 03

What’s the difference between Absolute Error and Relative Error?

Probability and Statistical Inference - 02

Roulette Simulation

Probability and Statistical Inference - 01

Statistics

Power and Sample Size Calculations for Correlational Studies

Probability and Statistical Inference - 10

Central Limit Theorem - Approximation

Probability and Statistical Inference - 09

Simulation Method Comparison

Probability and Statistical Inference - 08

Coverage Probability of MLE

Probability and Statistical Inference - 07

Which quantiles of a continuous distribution can one estimate with more precision?

Probability and Statistical Inference - 05

If home-field advantage exists, how much of an impact does it have on winning the world series?

Probability and Statistical Inference - 04

How often does the better team win the World Series?

Probability and Statistical Inference - 03

What’s the difference between Absolute Error and Relative Error?

Probability and Statistical Inference - 02

Roulette Simulation

Probability and Statistical Inference - 01

Simulation

Power and Sample Size Calculations for Correlational Studies

Probability and Statistical Inference - 10

Central Limit Theorem - Approximation

Probability and Statistical Inference - 09

Simulation Method Comparison

Probability and Statistical Inference - 08

Coverage Probability of MLE

Probability and Statistical Inference - 07

Which quantiles of a continuous distribution can one estimate with more precision?

Probability and Statistical Inference - 05

If home-field advantage exists, how much of an impact does it have on winning the world series?

Probability and Statistical Inference - 04

How often does the better team win the World Series?

Probability and Statistical Inference - 03

What’s the difference between Absolute Error and Relative Error?

Probability and Statistical Inference - 02

Roulette Simulation

Probability and Statistical Inference - 01

COVID-19 Data Exploration (WIP)

Exploration and visualization of COVID-19-related data

LAPOP Data Dashboard

A dashboard prototype built with Shiny R

Cashbox Magazine Song Chart Analysis

A simple example of a data analysis pipeline

Think Strategically and Get Jobs - H1B Visa Analysis

Helping international data science students strategize their job search

Power and Sample Size Calculations for Correlational Studies

Probability and Statistical Inference - 10

Central Limit Theorem - Approximation

Probability and Statistical Inference - 09

What makes a trending video?

An analysis of trending YouTube videos

Simulation Method Comparison

Probability and Statistical Inference - 08

Coverage Probability of MLE

Probability and Statistical Inference - 07

Which quantiles of a continuous distribution can one estimate with more precision?

Probability and Statistical Inference - 05

If home-field advantage exists, how much of an impact does it have on winning the world series?

Probability and Statistical Inference - 04

How often does the better team win the World Series?

Probability and Statistical Inference - 03

What’s the difference between Absolute Error and Relative Error?

Probability and Statistical Inference - 02

Roulette Simulation

Probability and Statistical Inference - 01

Visualization

COVID-19 Data Exploration (WIP)

Exploration and visualization of COVID-19-related data

LAPOP Data Dashboard

A dashboard prototype built with Shiny R

Visualization Cheat Sheet

A quick reference for efficient data visualization

Cheat Sheet

Visualization Cheat Sheet

A quick reference for efficient data visualization

Keynote

Visualization Cheat Sheet

A quick reference for efficient data visualization

MLE

Coverage Probability of MLE

Probability and Statistical Inference - 07

Method of Moments

Simulation Method Comparison

Probability and Statistical Inference - 08

KDE

Simulation Method Comparison

Probability and Statistical Inference - 08

Bootstrap

Simulation Method Comparison

Probability and Statistical Inference - 08

YouTube

What makes a trending video?

An analysis of trending YouTube videos

EDA

COVID-19 Data Exploration (WIP)

Exploration and visualization of COVID-19-related data

Cashbox Magazine Song Chart Analysis

A simple example of a data analysis pipeline

Think Strategically and Get Jobs - H1B Visa Analysis

Helping international data science students strategize their job search

What makes a trending video?

An analysis of trending YouTube videos

Project

Slides Thief: Turn Photographed Presentation Slides into Clean PDFs

Just take photos of the slides, they are yours now.

MemoryCustodian Skill - Project Memory for Coding Agents

Durable memory. Minimal context.

K-Means-Based Anomalous Email Detection in PySpark

Anomaly detection for emails based on MinHash and K-Means, implemented with PySpark and Colab

WearMask - Face Mask Detection Project Details

Low-cost solution for small businesses and public places

Super-Fast In-Browser Face Mask Detection

Open the web page, and you have it!

LAPOP Data Dashboard

A dashboard prototype built with Shiny R

Cashbox Magazine Song Chart Analysis

A simple example of a data analysis pipeline

Think Strategically and Get Jobs - H1B Visa Analysis

Helping international data science students strategize their job search

What makes a trending video?

An analysis of trending YouTube videos

Python

K-Means-Based Anomalous Email Detection in PySpark

Anomaly detection for emails based on MinHash and K-Means, implemented with PySpark and Colab

WearMask - Face Mask Detection Project Details

Low-cost solution for small businesses and public places

Super-Fast In-Browser Face Mask Detection

Open the web page, and you have it!

Darknet to Keras - Model Transformation

New version based on TensorFlow 2.0

How to Get Information from an IP Address?

Note - geoip2 module introduction

What makes a trending video?

An analysis of trending YouTube videos

CLT

Central Limit Theorem - Approximation

Probability and Statistical Inference - 09

Correlation

Power and Sample Size Calculations for Correlational Studies

Probability and Statistical Inference - 10

Career

Think Strategically and Get Jobs - H1B Visa Analysis

Helping international data science students strategize their job search

As data scientists, what should we do?

Data science application analysis, using product launch processes as an example

Data Science

Think Strategically and Get Jobs - H1B Visa Analysis

Helping international data science students strategize their job search

As data scientists, what should we do?

Data science application analysis, using product launch processes as an example

Talk

As data scientists, what should we do?

Data science application analysis, using product launch processes as an example

H1B

Think Strategically and Get Jobs - H1B Visa Analysis

Helping international data science students strategize their job search

Text Analysis

K-Means-Based Anomalous Email Detection in PySpark

Anomaly detection for emails based on MinHash and K-Means, implemented with PySpark and Colab

Cashbox Magazine Song Chart Analysis

A simple example of a data analysis pipeline

Dashboard

LAPOP Data Dashboard

A dashboard prototype built with Shiny R

Shiny

LAPOP Data Dashboard

A dashboard prototype built with Shiny R

Web Application

Slides Thief: Turn Photographed Presentation Slides into Clean PDFs

Just take photos of the slides, they are yours now.

Super-Fast In-Browser Face Mask Detection

Open the web page, and you have it!

LAPOP Data Dashboard

A dashboard prototype built with Shiny R

COVID-19

WearMask: Fast in-browser face mask detection with serverless edge computing for COVID-19

Electronic Imaging

COVID-19 Data Exploration (WIP)

Exploration and visualization of COVID-19-related data

Feature Engineering

How to Get Information from an IP Address?

Note - geoip2 module introduction

GeoIP

How to Get Information from an IP Address?

Note - geoip2 module introduction

Tutorial

Tutorial for Compiling NCNN with WASM

The second step to deploying a deep learning model in the browser

Tutorial for Compiling the NCNN Library

The first step to deploying a deep learning model

How to Get Information from an IP Address?

Note - geoip2 module introduction

How to Get Information from an IP Address?

Note - geoip2 module introduction

Deep Learning

WearMask: Fast in-browser face mask detection with serverless edge computing for COVID-19

Electronic Imaging

WearMask - Face Mask Detection Project Details

Low-cost solution for small businesses and public places

Super-Fast In-Browser Face Mask Detection

Open the web page, and you have it!

Tutorial for Compiling NCNN with WASM

The second step to deploying a deep learning model in the browser

Tutorial for Compiling the NCNN Library

The first step to deploying a deep learning model

Darknet to Keras - Model Transformation

New version based on TensorFlow 2.0

Model Conversion

Darknet to Keras - Model Transformation

New version based on TensorFlow 2.0

Keras

Darknet to Keras - Model Transformation

New version based on TensorFlow 2.0

TensorFlow

Darknet to Keras - Model Transformation

New version based on TensorFlow 2.0

NCNN

WearMask - Face Mask Detection Project Details

Low-cost solution for small businesses and public places

Super-Fast In-Browser Face Mask Detection

Open the web page, and you have it!

Tutorial for Compiling NCNN with WASM

The second step to deploying a deep learning model in the browser

Tutorial for Compiling the NCNN Library

The first step to deploying a deep learning model

Model Deployment

WearMask - Face Mask Detection Project Details

Low-cost solution for small businesses and public places

Super-Fast In-Browser Face Mask Detection

Open the web page, and you have it!

Tutorial for Compiling NCNN with WASM

The second step to deploying a deep learning model in the browser

Tutorial for Compiling the NCNN Library

The first step to deploying a deep learning model

C++

WearMask - Face Mask Detection Project Details

Low-cost solution for small businesses and public places

Super-Fast In-Browser Face Mask Detection

Open the web page, and you have it!

Tutorial for Compiling NCNN with WASM

The second step to deploying a deep learning model in the browser

Tutorial for Compiling the NCNN Library

The first step to deploying a deep learning model

WebAssembly

WearMask - Face Mask Detection Project Details

Low-cost solution for small businesses and public places

Super-Fast In-Browser Face Mask Detection

Open the web page, and you have it!

Tutorial for Compiling NCNN with WASM

The second step to deploying a deep learning model in the browser

Object Detection

WearMask - Face Mask Detection Project Details

Low-cost solution for small businesses and public places

Super-Fast In-Browser Face Mask Detection

Open the web page, and you have it!

JavaScript

Slides Thief: Turn Photographed Presentation Slides into Clean PDFs

Just take photos of the slides, they are yours now.

WearMask - Face Mask Detection Project Details

Low-cost solution for small businesses and public places

Super-Fast In-Browser Face Mask Detection

Open the web page, and you have it!

Anomaly Detection

K-Means-Based Anomalous Email Detection in PySpark

Anomaly detection for emails based on MinHash and K-Means, implemented with PySpark and Colab

Machine Learning

Characterizing browser-based medical imaging AI with serverless edge computing: towards addressing clinical data security constraints

SPIE Medical Imaging, 2023

K-Means-Based Anomalous Email Detection in PySpark

Anomaly detection for emails based on MinHash and K-Means, implemented with PySpark and Colab

K-Means

K-Means-Based Anomalous Email Detection in PySpark

Anomaly detection for emails based on MinHash and K-Means, implemented with PySpark and Colab

PySpark

K-Means-Based Anomalous Email Detection in PySpark

Anomaly detection for emails based on MinHash and K-Means, implemented with PySpark and Colab

Paper

Social inequality and cultural factors impact the awareness and reaction during the cryptic transmission period of pandemic

PNAS Nexus

Characterizing browser-based medical imaging AI with serverless edge computing: towards addressing clinical data security constraints

SPIE Medical Imaging, 2023

WearMask: Fast in-browser face mask detection with serverless edge computing for COVID-19

Electronic Imaging

Masked Face

WearMask: Fast in-browser face mask detection with serverless edge computing for COVID-19

Electronic Imaging

Edge Device

WearMask: Fast in-browser face mask detection with serverless edge computing for COVID-19

Electronic Imaging

Serverless

WearMask: Fast in-browser face mask detection with serverless edge computing for COVID-19

Electronic Imaging

Edge Computing

WearMask: Fast in-browser face mask detection with serverless edge computing for COVID-19

Electronic Imaging

Medical Image Processing

Characterizing browser-based medical imaging AI with serverless edge computing: towards addressing clinical data security constraints

SPIE Medical Imaging, 2023

Web Development

Characterizing browser-based medical imaging AI with serverless edge computing: towards addressing clinical data security constraints

SPIE Medical Imaging, 2023

Clinical Data Privacy

Characterizing browser-based medical imaging AI with serverless edge computing: towards addressing clinical data security constraints

SPIE Medical Imaging, 2023

Pandemic Awareness Modeling

Social inequality and cultural factors impact the awareness and reaction during the cryptic transmission period of pandemic

PNAS Nexus

Pandemic Preparedness

Social inequality and cultural factors impact the awareness and reaction during the cryptic transmission period of pandemic

PNAS Nexus

Awareness Inequality

Social inequality and cultural factors impact the awareness and reaction during the cryptic transmission period of pandemic

PNAS Nexus

E-commerce Data Analytics

Social inequality and cultural factors impact the awareness and reaction during the cryptic transmission period of pandemic

PNAS Nexus

Heterogeneous Social Networks

Social inequality and cultural factors impact the awareness and reaction during the cryptic transmission period of pandemic