我从以下代码中收到以下错误:
***File "<ipython-input-61-517e344a129d>", line 1
df.sort_values(by "Script Count", "Drug Name"), axis=0, ascending=True, inplace=False, kind='quicksort',
^
SyntaxError: invalid syntax*** (the carrot is pointing to the second " following "Script Count")
代码:
import pandas as pd
import numpy as np
df = pd.read_csv('/Users/rmartin/Desktop/DE_Highmark.csv')
df.sort_values(by "Script Count", "Drug Name"), axis=0, ascending=True, inplace=False, kind='quicksort', na_position='last')
我知道这一定非常简单,但我已经疯狂地试图解决这个问题。我尝试根据数据框中的"Script Count"
和"Drug Name"
列对数据框进行排序。 CSV已成功导入为数据框,但排序功能给我带来了麻烦。
答案 0 :(得分:2)
参考docs,正确的语法是:
DataFrame.sort_values(by, axis=0, ascending=True, inplace=False, kind='quicksort', na_position='last')
所以在你的情况下,它应该是:
df.sort_values(by=[ "Script Count", "Drug Name"], ascending=[True,True])