我不断收到不同属性的错误尝试运行在IPython的这个文件时...初学者与大熊猫,也许我失去了一些东西AttributeError的:“据帧”对象没有属性
代码:
from pandas import Series, DataFrame
import pandas as pd
import json
nan=float('NaN')
data = []
with open('file.json') as f:
for line in f:
data.append(json.loads(line))
df = DataFrame(data, columns=['accepted', 'user', 'object', 'response'])
clean = df.replace('NULL', nan)
clean = clean.dropna()
print clean.value_counts()
AttributeError: 'DataFrame' object has no attribute 'value_counts'
任何想法?