Practicing data sets and meta-data

Collection of Data and Meta-data on 15 individuals. Data collected was on natural hair colour, gender, and whether or not they owned a laptop.面向15名个体构建的数据集与元数据（Metadata）集合，所采集的数据涵盖个体的自然发色、性别以及是否拥有笔记本电脑三项内容。