Python 将字符串和数组数据从CSV文件转换为TFR记录时出错_Python_Pandas_Tensorflow_Tfrecord

Python 将字符串和数组数据从CSV文件转换为TFR记录时出错

python pandas tensorflow

Python 将字符串和数组数据从CSV文件转换为TFR记录时出错,python,pandas,tensorflow,tfrecord,Python,Pandas,Tensorflow,Tfrecord,我按照这些示例将csv文件转换为tfrecords 这是我尝试的代码 csv = pd.read_csv("ehealth.csv").values with tf.python_io.TFRecordWriter("ehealth.tfrecords") as writer: for row in csv: question, answer, question_bert, answer_bert = row[0], row[1] , row[1], row[2]

我按照这些示例将csv文件转换为tfrecords

这是我尝试的代码

csv = pd.read_csv("ehealth.csv").values
with tf.python_io.TFRecordWriter("ehealth.tfrecords") as writer:
    for row in csv:
        question, answer, question_bert, answer_bert = row[0], row[1] , row[1], row[2]
        example = tf.train.Example()
        example.features.feature["question"].bytes_list.value.extend(question.encode("utf8"))
        example.features.feature["answer"].bytes_list.value.extend(answer.encode("utf8"))
        example.features.feature["question_bert"].float_list.value.extend(question_bert)
        example.features.feature["answer_bert"].float_list.value.append(answer_bert)
        writer.write(example.SerializeToString())

这是我的错误

TypeError                                 Traceback (most recent call last) <ipython-input-36-0a8c5e073d84> in <module>()
      4         question, answer, question_bert, answer_bert = row[0], row[1] , row[1], row[2]
      5         example = tf.train.Example()
----> 6         example.features.feature["question"].bytes_list.value.extend(question.encode("utf8"))
      7         example.features.feature["answer"].bytes_list.value.extend(answer.encode("utf8"))
      8         example.features.feature["question_bert"].float_list.value.extend(question_bert)

TypeError: 104 has type int, but expected one of: bytes

但是我得到了这些错误

TypeError                                 Traceback (most recent call last) <ipython-input-13-565b43316ef5> in <module>()
      6 #         example.features.feature["question"].bytes_list.value.extend(question)
      7 #         example.features.feature["answer"].bytes_list.value.extend(answer)
----> 8         example.features.feature["question_bert"].float_list.value.extend(question_bert)
      9         example.features.feature["answer_bert"].float_list.value.append(answer_bert)
     10         writer.write(example.SerializeToString())

TypeError: 's' has type str, but expected one of: int, long, float

此外，由于我有一个数组，似乎必须使用

example.SerializeToString（）

，但不确定如何执行该操作

下面是复制错误的完整代码，包括从google驱动器下载csv文件的代码

import pandas as pd
import numpy as np
import requests
import tensorflow as tf

def download_file_from_google_drive(id, destination):
    URL = "https://docs.google.com/uc?export=download"

    session = requests.Session()

    response = session.get(URL, params = { 'id' : id }, stream = True)
    token = get_confirm_token(response)

    if token:
        params = { 'id' : id, 'confirm' : token }
        response = session.get(URL, params = params, stream = True)

    save_response_content(response, destination)    

def get_confirm_token(response):
    for key, value in response.cookies.items():
        if key.startswith('download_warning'):
            return value

    return None

def save_response_content(response, destination):
    CHUNK_SIZE = 32768

    with open(destination, "wb") as f:
        for chunk in response.iter_content(CHUNK_SIZE):
            if chunk: # filter out keep-alive new chunks
                f.write(chunk)

# download_file_from_google_drive('1rMjqKkMnt6_vROrGmlTGStNGmwPO4YFX', 'model.zip') #

file_id = '1anbEwfViu9Rzu7tWKgPb_We1EwbA4x1-'
destination = 'ehealth.csv'
download_file_from_google_drive(file_id, destination)

healthdata=pd.read_csv('ehealth.csv')
healthdata.head()

csv = pd.read_csv("ehealth.csv").values
with tf.python_io.TFRecordWriter("ehealth.tfrecords") as writer:
    for row in csv:
        question, answer, question_bert, answer_bert = row[0], row[1] , row[1], row[2]
        example = tf.train.Example()
        example.features.feature["question"].bytes_list.value.extend(question)
        example.features.feature["answer"].bytes_list.value.extend(answer)
        example.features.feature["question_bert"].float_list.value.extend(question_bert)
        example.features.feature["answer_bert"].float_list.value.append(answer_bert)
        writer.write(example.SerializeToString())


csv = pd.read_csv("ehealth.csv").values
with tf.python_io.TFRecordWriter("ehealth.tfrecords") as writer:
    for row in csv:
        question, answer, question_bert, answer_bert = row[0], row[1] , row[1], row[2]
        example = tf.train.Example()
#         example.features.feature["question"].bytes_list.value.extend(question)
#         example.features.feature["answer"].bytes_list.value.extend(answer)
        example.features.feature["question_bert"].float_list.value.extend(question_bert)
        example.features.feature["answer_bert"].float_list.value.append(answer_bert)
        writer.write(example.SerializeToString())

试一试

这将有助于您的第6行错误，同样的更改也适用于第7行

把你的号码登记进去

question, answer, question_bert, answer_bert = row[0], row[1] , row[1], row[2]

我想应该是0，1，2和3

在更正到正确的顺序时，仍然会出现错误。所以，加上

它说这是一根线。如果它真的是一个字符串，那么您需要为

float_list.value.append

到

如果您有一个数组，那么您需要使用

tf.serialize_tensor

下面是tf.serialize_张量的一个简单示例

a = np.array([[1.0, 2, 46], [0, 0, 1]])
b=tf.serialize_tensor(a)
b

输出为

<tf.Tensor: id=25, shape=(), dtype=string, numpy=b'\x08\x02\x12\x08\x12\x02\x08\x02\x12\x02\x08\x03"0\x00\x00\x00\x00\x00\x00\xf0?\x00\x00\x00\x00\x00\x00\x00@\x00\x00\x00\x00\x00\x00G@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf0?'>

您需要将其保存为字节。

试试看