Pandas 导入模组import pandas as pd
Pandas 创建 Series# 创建一个Series
ser = pd.Series(["red", "yellow", "blue", "green"])
print(ser)
Pandas 自定义 Index 创建一个 Series# 创建一个Series带自定义Index
ser = pd.Series(["red", "yellow", "blue", "green"], index=['a', 'b', 'c', 'd'])
print(ser)
Pandas 获取一个 Series 的 Index# 获取一个Series的Index
ser = pd.Series(["red", "yellow", "blue", "green"], index=['a', 'b', 'c', 'd'])
print(ser.index)
Pandas 获取一个 Series 的长度# 获取一个Series的长度
ser = pd.Series(["red", "yellow", "blue", "green"])
print(ser.size)
Pandas 获取 Series 的资料# 查看Series资料
ser = pd.Series(["red", "yellow", "blue", "green"])
print(ser.describe())
Pandas 统计值在 Series 出现的次数# 查找值在Series出现的次数
ser = pd.Series(["red", "red", "yellow", "blue", "green"])
print(ser.value_counts())
Pandas 查看 Series 的维度# 查看Series维度
ser = pd.Series(["red", "yellow", "blue", "green"])
print(ser.ndim) # 默认都是 1 维
Pandas 在 Series 中取值# Series取值
ser = pd.Series(["red", "yellow", "blue", "green"])
print(ser[1]) # 输出 yellow
Pandas 切片 Series 输出# Series 切片
ser = pd.Series(["red", "yellow", "blue", "green"])
print(ser[1:])