ValueError：以10为底的int（）无效文字：'81？36N'

Question

Traceback (most recent call last):
  File "/Users/HectorVelasquez/PycharmProjects/Project 1/Project 1 python.py", line 57, in <module>
    df['log'] = df['Latitude'].apply(lambda x: convert_rad(x))
  File "/Users/HectorVelasquez/PycharmProjects/Project 1/venv/lib/python3.7/site-packages/pandas/core/series.py", line 4045, in apply
    mapped = lib.map_infer(values, f, convert=convert_dtype)
  File "pandas/_libs/lib.pyx", line 2228, in pandas._libs.lib.map_infer
  File "/Users/HectorVelasquez/PycharmProjects/Project 1/Project 1 python.py", line 57, in <lambda>
    df['log'] = df['Latitude'].apply(lambda x: convert_rad(x))
  File "/Users/HectorVelasquez/PycharmProjects/Project 1/Project 1 python.py", line 7, in convert_rad
    degree = int(temp[0]) + int(temp[1][:-1])/60
ValueError: invalid literal for int() with base 10: '81?36N'

文本文件我不知道如何解决该错误。

纬度经度城市省/州/国家/地区

81？36N 16？40W丹麦北部格陵兰岛

加拿大Eureka Nunavut的79？59N 85？56W

78？55N 11？56E Ny-？lesund斯瓦尔巴特群岛挪威

78？13N 15？39E朗伊尔城·斯瓦尔巴特群岛挪威

转换功能] >>

def convert_rad(lon):
    temp = lon.split('°')
    degree = int(temp[0]) + int(temp[1][:-1])/60
    direction = temp[1][-1]
    if direction=='N' or direction=='E':
        sign = 1
    elif direction=='S' or direction=='W':
        sign = -1

return degree*sign*np.pi/180
Latitude_66N = convert_rad('66°0N')
Latitude_35N_66N = convert_rad('35°0N')
Latitude_35S_35N = convert_rad('35°0S')
Latitude_35S_66S = convert_rad('66°0N')
Latitude_66S = convert_rad('66°0N')
lon = convert_rad('37°22N')
lat = convert_rad('120°42W')
Image: Line 57 

追踪（最近一次通话）：文件“ / Users / HectorVelasquez / PycharmProjects / Project 1 / Project 1 python.py”，第57行，位于[[df ['log'] = df ['Latitude']。apply （lambda x：convert_rad（...

Answer 1

尝试调试一下您的问题，并要求它的最低版本，并提供足够的代码以在其他地方重现它（例如，文件和函数）。如果您查看回溯，您会看到错误在第一行。一般而言，文本比屏幕截图有用得多。话虽如此