google 表單即時回饋

google 表單大幅降低蒐集問卷資料的難度;此外,表單將回應自動彙整成試算表更使分析資料變得非常容易。然而,google 表單缺乏一項重要的功能:即時將結果回饋給填寫者

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我的 R 學習歷程

接觸 R 的時間大約五個月了,從原本對電腦、程式一竅不通到現在能有效率的 debug、寫出簡潔有條理的 R code、甚至用 R 與 Markdown 架站寫部落格。算一算,我每週通常至少 3 天會用到 R,不是督促自己熟悉 R,是因為它太有魅力了。

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MathJax Setup

MathJax is a JavaScript display engine for mathematics that works in all browsers. By including MathJax support on the website, LaTeX mathematical expressions are rendered as pretty mathematical equations.

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Constructing Life Tables with R

I have been using the package dplyr to handle with data for a while, and I thought I can use it with ease until I was stuck with my homework on contructing a life table. I found spreadsheets (either Excel or Google Spreadsheets) easy for handling this task, but had a hard time dealing with it in R. I think it was due to my unfamiliarity with the...

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數學與我

我從小腦袋就不太靈光,在周圍都是精英的環境下長大,更容易發現這點。尤其在數學上,別人那種迅捷的思維使我意識到那不光是努力可以達到的境界,因此一直以來,我認為數學不好與資質不佳是自己最大的限制。

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