全港 1,622 個街段區按家庭住戶月入中位數及租戶比率分類之地圖
前言：好有錢嘅租客？
之前睇過一個連登 post 討論九龍站上蓋值唔值得租，見到其中一個 comment 咁樣寫：
有錢嘅話仲買乜樓呀，直接租豪宅，每一兩年就搬屋，住吓唔同區之餘又有新鮮感咪仲好
「租租」呢個詞彙本身係連登房屋台用黎諷刺睇淡樓市，一直租樓等樓市跌先買樓嘅人。但租樓嘅人，又唔代表佢一定無錢。古語有云「貧窮限制自己想像」，或者有錢人嘅興趣係租樓都唔定。
常理推斷，高 …
What waffle grid map is, and compare it with stacked bar chart
TL;DR
What is a waffle chart? What is a waffle chart on map? When should this type of map be used? This article serves as a gentle introduction to waffle chart and waffle grid map, using a dataset of convenience stores in Hong Kong. …
Visualising spatial distribution of the two largest convenience store chains in Hong Kong
TL;DR
7-Eleven and Circle K are two major convenience store chains in Hong Kong. Where could you find more store in one chain compared to the other? And what is the magnitude of differences?
Note: Chinese version of this article is also available in my Medium (i.e. here!).
Hong Kong is…
總有一間喺左近
我搵唔返（歡迎讀做「我唔想做literature review」）呢句slogan嘅出處，但佢都証明咗香港嘅7–11開到成行成市。
咁到底7仔開得有幾密？呢個係第一個問題。
同樣係便利店，全香港有接近成千間7–11，但OK就只係得300幾間，足足差成700間。咁就帶出第二個問題：會唔會有某啲地方係OK多過7–11？（劇透：有）。如果有嘅話，咁OK會多過佢幾多間？（劇透：3間左右）
數據來源
兩間集團嘅官網都有每間便利店分店嘅位置，所以只要做少少data scraping就可以砌到一個便利店dataset。Data scraping嘅話，Python人就用Beautiful Soup；我寫開R，所以用rvest。
免責聲明：set data 1. 無validate過；2. 唔係最新version；3. 可能visualise嗰陣copy漏咗幾行。有錯有漏唔係意外，係我懶。
地圖
Interactive charts and (sort-of) scrollytelling with R & Shiny
TL;DR
I wrote a webpage (with interactive charts!) using Shiny and R to visualise the commute pattern dataset I used in the previous article.
Are you interested to play and mess with the commute pattern dataset of Hong Kong? Want to select your area of focus without touching the dataset? Or…
What trends do the origin-destination matrix tell us about the supply of jobs in terms of location?
TL;DR
There are more than 2.8 million workers with a fixed place of work in Hong Kong. What does the overall travel pattern from their home to the working place look like, when visualised? …
Examining the history of new town development with commute pattern maps
TL;DR
How the commuting patterns vary among the new towns in Hong Kong? Why are there more bus travellers or subway travellers in each new town? This article presents the dominate commuting type in the selected new towns. You could dig deeper into the design pattern of the new towns.
What is the distribution of the 436,000 pedestrian walkways in terms of length and gradient?
TL;DR
About 436,000 pedestrian walkway segments are scattered around the whole territory of Hong Kong. The distribution of both length and gradient are uneven. Most of them are on flat terrain and short paths between 0–20 m. There are around 333,800 normal footways, 27,500 crossings, 7,200 footbridge and 1,000 subway segments…
Kenneth Wong
Urban Data Science Enthusiast | Urban Planning | GIS | Maps | Data Visualisation | kennethwong12.netlify.app
