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系统上线后为了运营考量，需要预置一些投票数据进去。
和 infocard 案例收集不同。 infocard 案例收集主要是确定一些网页抓取方式，便于开发网页解析工具。
而预置数据收集收集来的数据会直接用于创建投票。
第一批预置数据主要是一些常用的软件和服务。
预置数据可包含软件的logo 界面图 一句话简介，以及一些预置选项：
范例：
```
名称： twitter
LOGO：比较清晰的LO…
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see also: #92 debunked "double hump"
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in https://www.nature.com/news/how-to-raise-a-genius-lessons-from-a-45-year-study-of-super-smart-children-1.20537:
> what has become clear is how much…
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We present 3 types of plots in the ggplot lesson:
- scatterplots
- boxplots
- time series
However, it feels that this lesson could be made more interactive and the 3 types of plot presented don't see…
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Currently going through CS3 -- opening issue to report a couple text issues:
1. activites -> activities
