²é¿´: 6218  |  »Ø¸´: 5

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

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)

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

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

sunnyÒþ

гæ (СÓÐÃûÆø)

Ó¦¸ÃÊÇÄãÎļþÖУ¬ÓÐÓ¢ÎÄ×Ö·û»òÕßÌØÊâ·ûºÅ£¬ÎÞ·¨×ª»»ÎªÊý×Ö£¬ÊÔÊÔÓÃpandas´¦Àí£¬Äã»á°®ÉÏËüµÄ

·¢×ÔСľ³æAndroid¿Í»§¶Ë
6Â¥2017-10-24 20:12:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ lanmoa µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 311Çóµ÷¼Á +6 26ÑÐ0 2026-03-15 6/300 2026-03-18 14:43 by haxia
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤Ò»Ö¾Ô¸Äϲý´óѧ327Çóµ÷¼ÁÍÆ¼ö +8 Ncdx123456 2026-03-13 9/450 2026-03-18 14:40 by haxia
[¿¼ÑÐ] 298-Ò»Ö¾Ô¸Öйúũҵ´óѧ-Çóµ÷¼Á +7 ÊÖ»úÓû§ 2026-03-17 7/350 2026-03-18 14:34 by vgtyfty
[¿¼ÑÐ] ÊÕ¸´ÊÔµ÷¼ÁÉú +4 ÓêºóÇïºÉ 2026-03-18 4/200 2026-03-18 14:16 by elevennnne
[¿¼ÑÐ] 334Çóµ÷¼Á +3 Ö¾´æ¸ßÔ¶ÒâÔÚ»úÐ 2026-03-16 3/150 2026-03-18 08:34 by lm4875102
[»ù½ðÉêÇë] ±»ÎÒÑÔÖУºÐÂÄ£°å²»Ç¿µ÷¸ñʽÁË£¬¼Ùר¼Ò¿ªÊ¼¹Ü¸ñʽÁË +4 beefly 2026-03-14 4/200 2026-03-17 22:04 by »ÆÄñÓÚ·ÉChao
[¿¼ÑÐ] 326Çóµ÷¼Á +5 Éϰ¶µÄСÆÏ 2026-03-15 6/300 2026-03-17 17:26 by ruiyingmiao
[¿¼ÑÐ] 302Çóµ÷¼Á +4 С¼Öͬѧ123 2026-03-15 8/400 2026-03-17 10:33 by С¼Öͬѧ123
[ÂÛÎÄͶ¸å] ÓÐûÓдóÀз¢Ð¡ÂÛÎÄÄÜ´øÎÒ¸ö¶þ×÷ +3 ÔöÈñ©ÈË 2026-03-17 4/200 2026-03-17 09:26 by xs74101122
[¿¼ÑÐ] 278Çóµ÷¼Á +3 Yy7400 2026-03-13 3/150 2026-03-17 08:24 by laoshidan
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐʦ·¶071000£¬325Çóµ÷¼Á +6 RuitingC 2026-03-12 6/300 2026-03-16 14:50 by ¿Éµ­²»¿ÉÍü
[¿¼ÑÐ] 0703 ÎïÀí»¯Ñ§µ÷¼Á +3 ÎÒ¿ÉÒÔÉϰ¶µÄ¶Ô 2026-03-13 5/250 2026-03-16 10:50 by ÎÒ¿ÉÒÔÉϰ¶µÄ¶ÔÂ
[¿¼ÑÐ] 070305Çóµ÷¼Á +3 mlpqaz03 2026-03-14 4/200 2026-03-15 11:04 by peike
[¿¼ÑÐ] 080500£¬²ÄÁÏѧ˶302·ÖÇóµ÷¼ÁѧУ +4 ³õʶ¿ÉÀÖ 2026-03-14 5/250 2026-03-14 21:08 by peike
[¿¼ÑÐ] 266Çóµ÷¼Á +4 ѧԱ97LZgn 2026-03-13 4/200 2026-03-14 08:37 by zhukairuo
[¿¼ÑÐ] 311Çóµ÷¼Á +3 ¶¬Ê®Èý 2026-03-13 3/150 2026-03-13 20:41 by JourneyLucky
[¿¼ÑÐ] Çóµ÷¼Á +5 Ò»¶¨ÓÐѧÉÏ- 2026-03-12 5/250 2026-03-13 18:31 by ms629
[¿¼ÑÐ] Ò»Ö¾Ô¸211»¯Ñ§Ñ§Ë¶310·ÖÇóµ÷¼Á +8 ŬÁ¦·Ü¶·112 2026-03-12 9/450 2026-03-13 15:41 by JourneyLucky
[¿¼ÑÐ] 295Çóµ÷¼Á +3 Сذ×ÐÖ­ 2026-03-12 3/150 2026-03-13 15:17 by vgtyfty
[¿¼ÑÐ] һ־Ըɽ´ó07»¯Ñ§ 332·Ö ËÄÁù¼¶Òѹý ±¾¿ÆÉ½¶«Ë«·Ç Çóµ÷¼Á£¡ +3 ²»ÏëÀíÄã 2026-03-12 3/150 2026-03-13 14:18 by JourneyLucky
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û