Question

我是python的新手，执行以下代码时出现错误。如果有人可以帮助我理解它，我将非常感谢。关于数据：数据帧存储在“火车”中，列名称为“邻居”。 “邻居”中的值类似于“＃Queens＃jackson heights”或“＃Manhattan＃uppereast side”。因此，我尝试拆分主题标签，然后仅考虑每行中的第一个单词（即Queens＆Manhattan $等）。它确实打印了预期的输出，但出现此错误：

IndexError                                Traceback (most recent call last)
<ipython-input-89-b199ce84fe1c> in <module>()
      5 for row in train['neighborhood'].str.split('#'):
      6     # if more than a value,
----> 7     if len(row[1]) == 5 :
      8         # Append a num grade
      9         grades.append('1')

IndexError: list index out of range

    train = pd.DataFrame(train, columns = ['id','listing_type','floor','latitude','longitude','price','beds','baths','total_rooms','square_feet','pet_details','neighborhood'])

# Create a list to store the data
grades = [ ]

# For each row in the column,
for row in train['neighborhood'].str.split('#'):
    # if more than a value,
    if row[1] == 'Queens':
        # Append a num grade
        grades.append('1')
    # else, if more than a value,
    elif row[1] == 'Manhattan':
        # Append a letter grade
        grades.append('2')
    # else, if more than a value,
    elif row[1] == 'Bronx':
        # Append a letter grade
        grades.append('3')
    # else, if more than a value,
    elif row[1] == 'Brooklyn':
        # Append a letter grade
        grades.append('4')
    # else, if more than a value,
    else:
        # Append a fail0ing grade
        grades.append('5')

错误：IndexError：列表索引超出范围

0 个答案: