torch2.1中，torch._six已启用，那我需要用什么来替代dataset.py中的from torch._six import int_classes as _int_classes

在torch2.1中，可以使用以下语句来替代dataset.py中的from torch._six import int_classes as _int_classes：

from six import int_classes as _int_classes

这是因为在torch2.1中，torch._six模块已被移除，但可以使用six模块来代替。因此，可以使用上述语句导入int_classes。

相关问题

修改一下这段代码在pycharm中的实现，import pandas as pd import numpy as np from sklearn.model_selection import train_test_split import torch import torch.nn as nn import torch.nn.functional as F import torch.optim as optim #from torchvision import datasets,transforms import torch.utils.data as data #from torch .nn:utils import weight_norm import matplotlib.pyplot as plt from sklearn.metrics import precision_score from sklearn.metrics import recall_score from sklearn.metrics import f1_score from sklearn.metrics import cohen_kappa_score data_ = pd.read_csv(open(r"C:\Users\zhangjinyue\Desktop\rice.csv"),header=None) data_ = np.array(data_).astype('float64') train_data =data_[:,:520] train_Data =np.array(train_data).astype('float64') train_labels=data_[:,520] train_labels=np.array(train_data).astype('float64') train_data,train_data,train_labels,train_labels=train_test_split(train_data,train_labels,test_size=0.33333) train_data=torch.Tensor(train_data) train_data=torch.LongTensor(train_labels) train_data=train_data.reshape(-1,1,20,26) train_data=torch.Tensor(train_data) train_data=torch.LongTensor(train_labels) train_data=train_data.reshape(-1,1,20,26) start_epoch=1 num_epoch=1 BATCH_SIZE=70 Ir=0.001 classes=('0','1','2','3','4','5') device=torch.device("cuda"if torch.cuda.is_available()else"cpu") torch.backends.cudnn.benchmark=True best_acc=0.0 train_dataset=data.TensorDataset(train_data,train_labels) test_dataset=data.TensorDataset(train_data,train_labels) train_loader=torch.utills.data.DataLoader(dtaset=train_dataset,batch_size=BATCH_SIZE,shuffle=True) test_loader=torch.utills.data.DataLoader(dtaset=train_dataset,batch_size=BATCH_SIZE,shuffle=True)

修改后的代码如下所示：

import pandas as pd
import numpy as np
from sklearn.model_selection import train_test_split
import torch
import torch.nn as nn
import torch.nn.functional as F
import torch.optim as optim
import torch.utils.data as data
import matplotlib.pyplot as plt
from sklearn.metrics import precision_score, recall_score, f1_score, cohen_kappa_score

data_ = pd.read_csv(r"C:\Users\zhangjinyue\Desktop\rice.csv", header=None)
data_ = np.array(data_).astype('float64')

train_data = data_[:, :520]
train_labels = data_[:, 520]
train_data, _, train_labels, _ = train_test_split(train_data, train_labels, test_size=0.33333)

train_data = torch.Tensor(train_data)
train_labels = torch.LongTensor(train_labels)
train_data = train_data.reshape(-1, 1, 20, 26)

start_epoch = 1
num_epoch = 1
BATCH_SIZE = 70
Ir = 0.001
classes = ('0', '1', '2', '3', '4', '5')
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
torch.backends.cudnn.benchmark = True
best_acc = 0.0

train_dataset = data.TensorDataset(train_data, train_labels)
test_dataset = data.TensorDataset(train_data, train_labels)

train_loader = torch.utils.data.DataLoader(dataset=train_dataset, batch_size=BATCH_SIZE, shuffle=True)
test_loader = torch.utils.data.DataLoader(dataset=train_dataset, batch_size=BATCH_SIZE, shuffle=True)

请注意，我做了以下修改：

1. 移除了不需要的导入语句。
2. 修复了变量名拼写错误。
3. 移除了重复的代码行。
4. 修正了 `torch.utils.data.DataLoader` 的拼写错误。
5. 修正了数据集分割时的变量名错误。

请根据你的实际需求进一步调整代码。

import torch from torch.utils.data import Dataset from tools import ReadIntArray, OneHotData class SSQDataset(Dataset): def __init__(self, file_path, my_detection, sample_nums): self.file_path = file_path self.my_detection = my_detection self.sample_nums = sample_nums self.my_list = ReadIntArray(self.file_path) def __getitem__(self, my_index): data_list = [] target_list = [] start_index = my_index for sample_num in range(self.sample_nums): data_list.append(self.my_list[start_index + sample_num]) if self.my_detection in self.my_list[start_index + self.sample_nums]: target_list = [1, 0] else: target_list = [0, 1] data_list = OneHotData(data_list) data_list = torch.tensor(data_list, dtype=torch.float32) target_list = torch.tensor(target_list, dtype=torch.float32) return data_list, target_list def __len__(self): return len(self.my_list) - self.sample_nums

这段代码定义了一个名为SSQDataset的数据集类，用于读取文件并将其转换为模型可接受的数据格式。其中：

- `file_path`表示数据文件路径；
- `my_detection`表示要检测的目标，例如在双色球中是要预测的红球还是蓝球；
- `sample_nums`表示每个样本中包含的数据点数；
- `ReadIntArray`函数用于读取数据文件并将其转换为整数列表；
- `__getitem__`函数用于获取某个索引位置的数据，并将其转换为模型可接受的数据格式，同时将该数据对应的目标标签也转换为模型可接受的格式；
- `OneHotData`函数用于将原始数据转换为独热编码格式；
- `__len__`函数用于返回数据集的长度。

这个数据集类可以用于训练模型，例如：

from torch.utils.data import DataLoader
from model import MyModel

dataset = SSQDataset(file_path='data/ssq.txt', my_detection='red', sample_nums=5)
dataloader = DataLoader(dataset, batch_size=32, shuffle=True)

model = MyModel()
for data, target in dataloader:
    output = model(data)
    loss = compute_loss(output, target)
    optimizer.zero_grad()
    loss.backward()
    optimizer.step()

这里假设模型类为`MyModel`，使用PyTorch内置的`DataLoader`类将数据集分成批次进行训练。在每个批次中，将数据输入模型，计算损失并进行反向传播和优化。