Communication Skills

Date: 30 May 2026 (Sat) Time: 15:30 - 18:00 \*HKT Coordinator: Ming Tou, Alex Au Light Refreshments will be available! This is a **workshop** for Python Data Cleaning. Please bring along your laptop with **Python3 installed with enough battery**! *Winners will get a small prize as an accomplishment **in the next meetup**.* **Due to the university entrance policy, we are currently closed for new university QR code entrance registration. Please feel free to join us by registering yourself under the university entrance counter!** ***Mind the Data Gap*** **This model will be delayed due to: missing values, outliers, and delimiter congestion.** In this hands-on HKPUG workshop, we are turning a Python data cleaning exercise into a gamified team sprint. You will work with a **synthetic Hong Kong-inspired transport dataset**. The data is messy on purpose: missing values, weird outliers, inconsistent categories, URL-encoded station names, confusing delimiters, and fields that look useless until you extract the hidden signal. Your mission is simple: **Clean the data. Extract better features. Run the scorer. Beat the model.** You do not need to tune the model. You need to **rescue the data**. ***How the Challenge Works*** Teams will write a Python data transformation script to clean and enrich the dataset. Our scoring pipeline will then: 1. Run your transformation on the training and test data 2. Remove any label / target leakage columns 3. Train a fixed Gradient Boosting model 4. Evaluate the model using proxy metrics such as F1 and ROC-AUC 5. Convert the result into a data cleaning score This is not meant to be a perfect data quality metric. It is an accessible proxy: if your **cleaning** and **feature extraction** help the **model perform better**, your team gets a better score. **Capacity:** 60 (Team of 4) **Venue Info:** City University of Hong Kong, Kowloon Tong (Exact Location TBC) **Rundown:** **30th May** **15:30 – 15:40** Opening Remarks, Team Formation & GitHub Setup **15:40 – 15:55** Briefing: Data Traffic Report, Challenge Rules & Scoring Pipeline **15:55 – 16:20** Demo: Messy Dataset, Data Cleaning Strategy & `transform.py` **16:20 – 17:10** Team Sprint Part 1: Missing Values, Outliers & Category Cleanup **17:10 – 18:00** Team Sprint Part 2: Feature Extraction, Hidden Signals & Scoring Iterations **18:00 -** Networking outside City University **13th June** **\- 23:59** Winner Team Announcement **Audience pre-requisite:** * **Hardware:** **MUST** bring a laptop with Python 3 installed and a code editor (VS Code, PyCharm, etc.). * **Skills:** Recommended having basic to intermediate-level knowledge of Python (handling JSON, using the `requests` library, and writing basic `if/else/while` loops). **How to join?** 1. Click "Attend" on this page

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Welcome to Hong Kong Chill & Chat Night! 🇭🇰 Looking to meet new people or simply unwind with interesting conversations? You’ve found the right group! [ [Click this WhatsApp groupchat link to join]](https://chat.whatsapp.com/E8OoWitDPBkADaLDD4CIfm) We host weekly casual meetups in the heart of Hong Kong — bringing together locals, expats, and travelers from all over the world 🌍 No pressure, no formalities — just fun chats, new friends, and great vibes. Come join us and be part of the global community.

2 hrs session for beginners who can basically to hit the ball but need more practice intend to improve the rally consistency. 1st hr will do the drill for fundamental skills eg Forehand, backhand & volley 2nd hr The players will team up to play double rally or game by rotations Below fee including court fee and a basket of balls to be provided for rally practice. 5-6 or more players - HK290/P 4-3 player-HK330/P For newly join player, pls whatsapp me, 64304812 to ensure a good communication for event details and host reserve a right to adjust the player list. The players having no show record or bad attitude in event, who will not welcome to event.

🔗 What's the one habit holding you back from the future you want? This month at Tung Chung Toastmasters Club, we're exploring one of the most powerful ideas in personal growth - that transformation doesn't begin with grand gestures, but with the quiet decision to stop doing what no longer serves you. 🗓️ Join us on May 31 as our speakers and table topics put the spotlight on Breaking Habits and Building Futures. Whether you're working on breaking a professional pattern, a mindset loop, or a daily routine that's keeping you stuck - this session is for you. ✨ Expect thought-provoking speeches, candid stories, and a room full of people committed to growth. 📍 NAAC Touch Centre, G/F, Left Wing, 15 Tung Chung Waterfront Rd, Tung Chung 🕕 2:45pm - 4:45pm RSVP & Zoom: https://linktr.ee/tungchungtmc All are welcome! Members, guests, and curious minds alike. See you there! 👋

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Star Road Language Exchange 🌃 . *Update: Click Attend and get $20 discount! . Welcome to Star Road Language Exchange. In this group, everyone is a star! :) . Enjoy learning a new language or meet new friends in a relax atmosphere. . We try to organise every week. Looking forward to seeing you. :) . Time: Sunday 5:15-7:15 Place: Rizzy Coffee, LKF, Central , HK (G/F, LKF 29, 29 Wyndham St, Central Hong Kong) https://maps.app.goo.gl/pVyy1Hbj8i95QR227?g_st=ic . Entrance Fee: $40 (Plz buy at least 1 drink!) Click Attend and get $20 discount! . Proposal 😂 17:15 Star Rd Lang Ex 19:15 Dinner together . Whatsapp (65078638) me for any enquiries . Check out Star Road Language Exchange on Meetup https://meetu.ps/c/4vfpY/xy0yQ/a . #HK #English #friends #language

When learning statistics, one of the most fundamental yet usually grossed over concepts is that of **variance** (i.e. the square of the standard deviation in normal distribution). As we know, virtually all statistical operations which measure deviations of individual values from the norm involve adding the **SQUARED differences between the two numbers**. However, very few instructors could explain why we have to use squares rather than just the absolute values of the difference (or other even powers such as 4, if the intention is to avoid the negatives). This tutorial shall cover this in a convincing manner. Secondly, while we all know the variance of a SAMPLE is arrived by dividing (n-1) of the sum of squared differences, where n is the number of observations, few can articulate the rationale behind it. This tutorial shall also prove step by step why this is case, so after this you could appreciate the logic behind this ingenious insight instead of just reciting it like a medieval myth.

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Communication is everything in life You are only as successful as your ability to communicate. \- What if you could confidently talk to anyone? \- What if you had the ability to calmly control every conversation? \- What if you could close that sale\, ask for that date\, make new friends\, repair problematic relationships\, get that raise\, or effortlessly express any idea with confidence? You can! The secret to success relies on your ability or inability to effectively communicate. Attend a free seminar and gain a better ability to communicate. Hosted by the Church of Scientology of Central Ohio 1266 Dublin Road, Columbus, OH 43215 For more information, contact Rhiannon, the Event Host at 614-221-5024

Communication is everything in life! Attend this free lecture about how to be a better communicator. 📍 1266 Dublin Road, Columbus, OH 43215 You are only as successful as your ability to communicate. \- What if you could confidently talk to anyone? \- What if you had the ability to calmly control every conversation? \- What if you could close that sale\, ask for that date\, make new friends\, repair problematic relationships\, get that raise\, or effortlessly express any idea with confidence? You can! The secret to success relies on your ability or inability to effectively communicate. Attend a free seminar and gain a better ability to communicate. Hosted by the Church of Scientology of Central Ohio For more information, contact Rhiannon, the Event Host at 614-221-5024

Communication is everything in life! You are only as successful as your ability to communicate. \- What if you could confidently talk to anyone? \- What if you had the ability to calmly control every conversation? \- What if you could close that sale\, ask for that date\, make new friends\, repair problematic relationships\, get that raise\, or effortlessly express any idea with confidence? You can! The secret to success relies on your ability or inability to effectively communicate. Attend a free seminar and gain a better ability to communicate. Hosted by the Church of Scientology of Central Ohio For more information, contact Rhiannon, the Event Host at 614-221-5024

How to be a Better Communicator Communication is everything in life Sunday, 23 February at 2pm. You are only as successful as your ability to communicate. \- What if you could confidently talk to anyone? \- What if you had the ability to calmly control every conversation? \- What if you could close that sale\, ask for that date\, make new friends\, repair problematic relationships\, get that raise\, or effortlessly express any idea with confidence? You can! The secret to success relies on your ability or inability to effectively communicate. Attend a free seminar and gain a better ability to communicate. Hosted by the Church of Scientology of Central Ohio 1266 Dublin Road, Columbus, OH 43215 For more information, contact Rhiannon, the Event Host at 614-221-5024

How to be a Better Communicator Communication is everything in life Sunday, 23 February at 2pm. You are only as successful as your ability to communicate. \- What if you could confidently talk to anyone? \- What if you had the ability to calmly control every conversation? \- What if you could close that sale\, ask for that date\, make new friends\, repair problematic relationships\, get that raise\, or effortlessly express any idea with confidence? You can! The secret to success relies on your ability or inability to effectively communicate. Attend a free seminar and gain a better ability to communicate. Hosted by the Church of Scientology of Central Ohio 1266 Dublin Road, Columbus, OH 43215 For more information, contact Rhiannon, the Event Host at 614-221-5024

Communication is everything in life! You are only as successful as your ability to communicate. \- What if you could confidently talk to anyone? \- What if you had the ability to calmly control every conversation? \- What if you could close that sale\, ask for that date\, make new friends\, repair problematic relationships\, get that raise\, or effortlessly express any idea with confidence? You can! The secret to success relies on your ability or inability to effectively communicate. Attend a free seminar and gain a better ability to communicate. Hosted by the Church of Scientology of Central Ohio For more information, contact Rhiannon, the Event Host at 614-221-5024