July 2017
Intermediate to advanced
398 pages
11h 54m
Chinese
Content preview from Python数据处理
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36
｜
第
3
章
表3-1：两个样本数据记录
a
CSV标题 样本记录1 样本记录2
指标
60
岁时预期寿命（年）
出生时预期寿命（年）
发布状态 已发布 已发布
年份
1990 1990
WHO
地区 欧洲 美洲
世界银行收入分组 高收入 中低收入
国家
捷克共和国 伯利兹
性别
女性 男女合计
示值
19 71
数值大小
19.00000 71.00000
最低值 无 无
最高值 无 无
备注 无 无
a
加粗项包含在下文的样本数据中。
为了让数据更容易阅读，下面给出一个数据样本，其中只包含经过挑选的特定字段（表
3-1
中的加粗项）。在文本编辑器中打开
CSV
文件，你看到的数据应该与其类似：
"Year","Country","Sex","Display Value","Numeric"
"1990","Andorra","Both sexes","77","77.00000"
"2000","Andorra","Both sexes","80","80.00000"
"2012","Andorra","Female","28","28.00000"
"2000","Andorra","Both sexes","23","23.00000"
"2012","United Arab Emirates","Female","78","78.00000"
"2000","Antigua and Barbuda","Male","72","72.00000"
"1990","Antigua and Barbuda","Male","17","17.00000" ...
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