我们可以通过groupby方法来对Series或DataFrame对象实现分组操作,该方法会返回一个分组对象。...1)groupby()函数语法
① 语法如下
* groupby(by=["字段1","字段2",...]...③ 参数as_index的使用说明
x = {"name":["a","a","b","b","c","c","c"],"num":[2,4,0,5,5,10,15]}
df = pd.DataFrame...df = pd.DataFrame(x)
display(df)
groupdf = df.groupby("name")
for (x,y) in groupdf:
display(x, y...使用如下数据演示这4种分组参数:
df = pd.DataFrame({"部门":["A", "A", "B", "B"],
"小组":["g1", "g2", "