This is an example data set from an online price comparison website on laptop prices. I selected the top 10 brands according to the website and I extracted the first 20 prices in the list sorted by "relevance."
这是笔记本电脑的价格从网上价格比较网站上的示例数据。我选择了前10名品牌的网站和我提取的“相关性排序列表中的第一个20日的价格。”
用法----------Usage----------
data(laptop)
格式----------Format----------
A data frame with 200 observations on the following 3 variables.
一个数据框200下面的3个变量的观察。
Brand a factor with levels Acer Apple ASUS Dell HP Lenovo MSI Panasonic Sony Toshiba
Brand的一个因素水平AcerAppleASUSDellHPLenovoMSIPanasonic SonyToshiba
Product a numeric vector indicating the position in the search by "relevance."
Product一个数值向量,表示“相关的搜索中的位置。”
Price a numeric vector indicating the price in US dollars for the laptop computer.
Price美元的笔记本电脑的价格在一个数字矢量。
Details
详细信息----------Details----------
This data set is a convenience sample of laptop prices. It should not be used for any purpose other than demonstrating methods and trying out functions in R.
该数据集是一个方便的样本,笔记本电脑的价格。它不应该被用于任何目的以外的其他证明方法,并尝试在R.功能