Author

Howard Wong

@howardwonghofai

articles: 14
total claps: 500
top claps: 75
avg read: 11.4 min
active: 2026-04-23 → 2026-07-21

Wiki topics

📐 · Mathematics · 13 ML · Machine Learning · 10 🔬 · Science · General · 10 EDU · Education & Learning · 4 STP · Startups & Venture · 1 AI · AI · General · 1

Top tags

#statistics ·12 #survey-sampling ·12 #data-science ·10 #official-statistics ·6 #統計學 ·4 #machine-learning ·4 #數據科學 ·3 #抽樣調查 ·3 #research-methods ·2 #數學 ·2

AI HUM SCI ECO

HO Howard Wong

Survey Sampling and the Evolution of Official Statistics: The Complete Series

A growing collection of articles exploring the history, theoretical foundations, practical applications, and AI-driven future of statistics

Jul 15, 2026 · 2 min read · 75 claps #statistics #data-science #official-statistics

Survey Sampling and the Evolution of Official Statistics: The Complete Series

HUM AI SCI

HO Howard Wong

AI/ML in Statistical Compilation, Part 2: From Editing to Estimation

Why prediction still needs correction

Jul 10, 2026 · 9 min read · 68 claps #statistics #data-science #survey-sampling

AI/ML in Statistical Compilation, Part 2: From Editing to Estimation

HUM AI SCI

HO Howard Wong

AI/ML in Statistical Compilation, Part 3: Big Data, Non-Probability Samples, and the Last Mile

Why large datasets still need a statistical anchor

Jul 11, 2026 · 13 min read · 66 claps #statistics #data-science #survey-sampling

AI/ML in Statistical Compilation, Part 3: Big Data, Non-Probability Samples, and the Last Mile

HUM AI SCI

HO Howard Wong

AI/ML in Statistical Compilation, Part 1: Frames, Samples, and Nonresponse

Why better models do not remove the need for probability design

Jul 10, 2026 · 10 min read · 66 claps #statistics #data-science #survey-sampling

AI/ML in Statistical Compilation, Part 1: Frames, Samples, and Nonresponse

SCI

HO Howard Wong

Total Survey Error: Why Sample Size Alone Is Not Enough

Looking beyond margins of error in modern official statistics

Jul 21, 2026 · 16 min read · 30 claps #statistics #survey-sampling #official-statistics

Total Survey Error: Why Sample Size Alone Is Not Enough

SCI

HO Howard Wong

抽樣統計調查實戰（一）：調查設計與樣本配置

以一項假想企業統計調查為例，說明在估計開始前如何設定總體、規劃樣本大小、配置樣本，並確保實地數據搜集質素。

Jun 29, 2026 · 15 min read · 30 claps #統計學 #數據科學 #抽樣調查

AI SCI

HO Howard Wong

Survey Sampling in Action, Part 2: Weighting, Calibration, and Variance Estimation

From survey weights to calibration and jackknife variance estimates

Jun 30, 2026 · 14 min read · 30 claps #statistics #data-science #survey-sampling

Survey Sampling in Action, Part 2: Weighting, Calibration, and Variance Estimation

AI SCI

HO Howard Wong

抽樣統計調查的數學：Horvitz-Thompson 估計量、PPS 多階段抽樣、自助法(Bootstrap)與校準加權(Calibration)

本文整理Horvitz–Thompson 估計量、PPS 多階段抽樣、樣本輪換、複樣本變異數估計（刀切法 (jackknife)、Rao-Wu自助法 (Rao-Wu bootstrap)），以及校準加權背後的公式與假設。

Jun 11, 2026 · 14 min read · 30 claps #statistics #survey-sampling #data-science

抽樣統計調查的數學：Horvitz-Thompson 估計量、PPS 多階段抽樣、自助法(Bootstrap)與校準加權(Calibration)

AI SCI

HO Howard Wong

Survey Sampling in Action, Part 1: Designing a Survey

From sample-size planning to field data quality

Jun 29, 2026 · 11 min read · 30 claps #statistics #data-science #survey-sampling

Survey Sampling in Action, Part 1: Designing a Survey

AI SCI

HO Howard Wong

Why a Representative Sample Is Not a Miniature Population?

How Jerzy Neyman challenged purposive sampling and showed that representative sampling is about minimising uncertainty.

May 06, 2026 · 8 min read · 17 claps #statistics #data-science #survey-sampling

Why a Representative Sample Is Not a Miniature Population?

AI SCI

HO Howard Wong

Post-War Advances in Survey Sampling: From Multi-Stage Designs to Modern Estimation

A review of key methodological developments since the 1940s

Jun 13, 2026 · 18 min read · 16 claps #statistics #survey-sampling #data-science

Post-War Advances in Survey Sampling: From Multi-Stage Designs to Modern Estimation

HO Howard Wong

「小數據」的力量：抽樣如何徹底改變統計學

我們是如何從只相信「全面普查」走到相信經過嚴謹設計的樣本？揭開抽樣調查的歷史，認識讓「小數據」發揮強大力量的數學先驅和背後的統計原理。

Apr 24, 2026 · 14 min read · 16 claps #統計學 #數學 #數據科學

AI SCI

HO Howard Wong

Survey Sampling Math: HT, PPS, Bootstrap & Calibration

Formulae behind Horvitz-Thompson estimator, PPS multi-stage sampling, rotation groups, jackknife, bootstrap, GREG calibration and raking.

Jun 11, 2026 · 11 min read · 14 claps #statistics #survey-sampling #data-science

Survey Sampling Math: HT, PPS, Bootstrap & Calibration

SCI

HO Howard Wong

統計學先驅：亞瑟‧鮑利(Arthur Bowley)對隨機抽樣理論的貢獻

了解亞瑟‧鮑利對隨機抽樣理論的主要貢獻，包括將中央極限定理(Central Limit Theorem)應用於有限總體(finite population)，和把分層抽樣(stratified sampling)以嚴謹的數學展示。

Apr 23, 2026 · 6 min read · 12 claps #統計學 #數據科學 #數學