Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 6268  |  »Ø¸´: 5
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

lanmoa

гæ (³õÈëÎÄ̳)

[ÇóÖú] ÐÂÊÖµ¼Èëcsv¹ý³ÌÖÐ×ÜÊdzöÏÖpython could not convert string to float ÒÑÓÐ1È˲ÎÓë

³ÌÐò£º
image_path = r'C:\Users\abc\Documents\csv_result\cracking\41.csv'
with open(image_path,'r') as image_file:
    image_string = image_file.read()
image_string = image_string.replace(' ','').replace('\n',',').replace('\t','')
print(image_string)
image_data = image_string.split(',')
print(image_data)
image_data_values = [float(x) for x in image_data]
print (image_string)
ǰÁ½¸ö½á¹û1
-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.26,-11.2
½á¹û2
'-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26', '-11.26',
È»ºó±¨´í
ValueError                                Traceback (most recent call last)
<ipython-input-27-225cd40ddc4d> in <module>()
      6 image_data = image_string.split(',')
      7 print(image_data)
----> 8 image_data_values = [float(x) for x in image_data]
      9 print (image_string)

<ipython-input-27-225cd40ddc4d> in <listcomp>(.0)
      6 image_data = image_string.split(',')
      7 print(image_data)
----> 8 image_data_values = [float(x) for x in image_data]
      9 print (image_string)

ValueError: could not convert string to float:
Ϊʲô£¿
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cxycxu

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by somomo91 at 2017-06-22 19:16:29
ÄãµÄ image_data ÎļþÀïÃæ°üº¬ ¿Õ¸ñ/¿Õ×Ö·û£¬ËùÒÔ float ´íÎó£¬
Python 3 »á³öÏÖÕâ¸öÎÊÌ⣬2 ºÃÏñûÓÐ

ÄúºÃ£¬ÎÒÊÇÒ»¸ö³õ½Ó´¥PythonµÄÐÂÊÖ£¬ÏëÎÊÄúһϣ¬ÈçºÎ¶ÁÈ¡res¸ñʽµÄÎļþ
3Â¥2017-06-26 14:02:55
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

somomo91

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
xzhdty: ½ð±Ò+1, ¸Ðл²ÎÓë 2017-06-23 11:11:00
ÄãµÄ image_data ÎļþÀïÃæ°üº¬ ¿Õ¸ñ/¿Õ×Ö·û£¬ËùÒÔ float ´íÎó£¬
Python 3 »á³öÏÖÕâ¸öÎÊÌ⣬2 ºÃÏñûÓÐ
2Â¥2017-06-22 19:16:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cxycxu

гæ (³õÈëÎÄ̳)

ÄãºÃ  ÓÐһЩPythonµÄÎÊÌâ¿ÉÒÔÎÊÄãÂð  ¶ÁÈëres¸ñʽµÄÎļþµ½µ×Ó¦¸ÃÔõô×öÄØ
4Â¥2017-06-26 14:03:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

me_yu

ľ³æ (ÕýʽдÊÖ)

¡ï
jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2017-08-26 15:42:32
Ϊʲô²»ÓÃpandasÀ´´¦ÀíÄØ
Ìý£¬¼Å¾²µÄÒ¹ÀÌïÒ°ÀïÍÜÉùºÍ³æÃù£¬ºÃ²»»¶¿ì£¡
5Â¥2017-08-25 11:57:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏ307·ÖÇó´óÀÐ×éÊÕÁô +15 Hllºú 2026-04-07 15/750 2026-04-08 22:35 by Öí»á·É
[¿¼ÑÐ] 311Çóµ÷¼Á +5 surte 2026-04-08 11/550 2026-04-08 22:10 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] 349ѧ¿Æ»¯Ñ§045106Çóµ÷¼Á£¬»¯Ñ§Àà¶¼¿ÉÒÔ +3 ±£ºÃ¶®¶® 2026-04-08 3/150 2026-04-08 22:03 by scau_hui
[¿¼ÑÐ] 320·ÖÈ˹¤ÖÇÄܵ÷¼Á +9 Õñ¡ªTZ 2026-04-03 10/500 2026-04-08 19:56 by Õñ¡ªTZ
[¿¼ÑÐ] »·¾³×¨Ë¶µ÷¼Á +15 »á˵»°µÄÖâ×Ó 2026-04-06 15/750 2026-04-08 18:56 by »·»¯²Ä-СÉú
[¿¼ÑÐ] ²ÄÁÏר˶(0856) 339·ÖÇóµ÷¼Á +16 ¹þ¹þ¹þ¶ì¹þ¹þ¹þ 2026-04-05 16/800 2026-04-08 16:02 by luoyongfeng
[¿¼ÑÐ] µç×ÓÐÅÏ¢346 +4 zuoshaodian 2026-04-08 4/200 2026-04-08 11:54 by zzucheup
[¿¼ÑÐ] 259Çóµ÷¼Á +5 ¾Í°®³ÔÍÁ¶¹Ñ½Ñ½ 2026-04-07 5/250 2026-04-07 22:40 by JourneyLucky
[¿¼ÑÐ] 287Çóµ÷¼Á +3 ͨÐÅѧ˶081000 2026-04-03 4/200 2026-04-06 21:03 by going home
[¿¼ÑÐ] Ò»Ö¾Ô¸ ½­ÄÏ´óѧ 085602 »¯¹¤×¨Ë¶ 338·ÖÇóµ÷¼Á +15 ·³ÕСç÷ 2026-04-05 15/750 2026-04-06 09:27 by cql1109
[¿¼ÑÐ] 262Çóµ÷¼Á +7 ÌìϵÚÒ»ÎÄ 2026-04-04 8/400 2026-04-05 21:31 by ¼¤Á÷Ó¶É
[¿¼ÑÐ] ¿¼ÑÐÉúÎïѧ¿¼AÇø211£¬³õÊÔ322£¬¿ÆÄ¿Éú»¯ºÍÉúÎï×ۺϣ¬Çóµ÷¼Á +6 ¡£¡£¡£54 2026-04-03 6/300 2026-04-05 14:54 by JOKER0401
[¿¼ÑÐ] ÊýÒ»Ó¢Ò»274»úеµ÷¼Á +5 ÐÇÔÉÁ÷ϼ 2026-04-04 6/300 2026-04-05 11:38 by arrow8852
[¿¼ÑÐ] 313Çóµ÷¼Á +3 º£ÈÕº£ÈÕ 2026-04-04 3/150 2026-04-05 07:48 by 544594351
[¿¼ÑÐ] 301Çóµ÷¼Á +18 ÂæÍÕÄÐÈË 2026-04-02 18/900 2026-04-04 20:33 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 338Çóµ÷¼Á +7 êɹ¦? 2026-04-03 7/350 2026-04-03 16:46 by wxiongid
[¿¼ÑÐ] Çóµ÷¼Á +4 15064154688 2026-04-03 5/250 2026-04-03 15:07 by zrongyan
[¿¼ÑÐ] 320Çóµ÷¼Á +3 ũҵ¹¤³ÌÓëÐÅÏ¢¼ 2026-04-03 3/150 2026-04-03 11:40 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] Çóµ÷¼Á +3 ÐÄÏëÊÂ³É¿É 2026-04-03 3/150 2026-04-03 11:22 by wangjy2002
[¿¼ÑÐ] 266Çóµ÷¼Á +4 ѧԱ97LZgn 2026-04-02 4/200 2026-04-02 09:52 by yulian1987
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û