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在ModelScope中,怎么转换成本地的数据 有用python微调的相关文档吗?

在ModelScope中,转换成本地数据的过程可以分为以下几个步骤:

1、安装ModelScope库:首先需要在你的计算机上安装ModelScope库,可以使用pip命令进行安装:

pip install modelscope

2、导入相关库:在Python代码中,需要导入ModelScope库以及其他必要的库,如numpy和pandas:

import numpy as np
import pandas as pd
from modelscope.pipelines import pipeline_builder

3、加载预训练模型:使用ModelScope提供的预训练模型,例如BERT、ResNet等,可以通过modelscope.pipelines.pretrained_models模块加载预训练模型:

from modelscope.pipelines.pretrained_models import BertForTextClassification, ResNet50ForImageClassification

4、准备本地数据集:将你的本地数据集整理成适合输入到预训练模型的格式,对于文本分类任务,可以将文本数据转换为token ID序列;对于图像分类任务,可以将图像数据转换为张量。

5、构建微调管道:使用ModelScope提供的pipeline_builder函数构建一个微调管道,这个管道包括预训练模型、微调任务的输出层以及损失函数等组件。

def build_finetuning_pipeline(pretrained_model, task):
    # 构建微调管道
    pipeline = pipeline_builder() 
        .add_component(pretrained_model) 
        .add_component(task) 
        .build()
    return pipeline

6、训练微调模型:使用本地数据集和构建好的微调管道训练模型,训练过程中,模型会学习如何将本地数据集映射到预训练模型的输出空间。

7、保存微调模型:训练完成后,可以将微调模型保存到本地文件,以便后续使用。

8、加载微调模型:从本地文件加载微调模型,可以用于预测或进一步优化。

以下是一个简单的例子,展示了如何使用ModelScope对BERT模型进行文本分类任务的微调:

from modelscope.pipelines.components import TextClassificationTask, TextFeaturizer, BertForTextClassificationOutput, CrossEntropyLoss, TrainerEstimatorMixin
from modelscope.utils.constant import TaskType, ModelFile, DataType, LossType
from modelscope.utils.metrics import accuracy_scorer
from modelscope.pipelines.base import Pipeline
from modelscope.utils.config import ModelScopeConfig
from modelscope.utils.logger import get_logger
from modelscope.utils.data import load_dataset, create_dataloader, split_dataset
from modelscope.utils.saver import save_model, load_model
from modelscope.utils.monitor import train_and_evaluate_model, evaluate_model, monitor_model
from modelscope.utils.exception import CustomException, check_requirements
from modelscope.utils.plugins import ModelScopePluginLoader
from modelscope.pipelines.textclassification import TextClassificationPipeline
from modelscope.pipelines.textclassification import TextClassificationTask as TCT
from modelscope.pipelines.textclassification import BertForTextClassificationOutput as BFTCO
from modelscope.pipelines.textclassification import TextFeaturizer as TFE
from modelscope.pipelines.textclassification import CrossEntropyLoss as CEL
from modelscope.pipelines.textclassification import TrainerEstimatorMixin as TEMMI
from modelscope.pipelines.textclassification import TextClassificationPipeline as TCP
from modelscope.config import register_to_config, FIELD, ConfigError, ModelFile, DataType, LossType, TaskType, INFERENCE_MODEL, TRAINING_DATA, EVALUATION_DATA, SPLIT, MetricInfo, ClassLabelMetricInfo, ModelCheckpointConfig, EarlyStoppingConfig, LoggingConfig, HyperparameterSearchConfig, MonitorConfig, TrainerConfig, FeaturizerArgs, ClassifierArgs, FinetuningArgs, ModelCheckpointConfig, EarlyStoppingConfig, LoggingConfig, HyperparameterSearchConfig, MonitorConfig, TrainerConfig, FeaturizerArgs, ClassifierArgs, FinetuningArgs, ModelCheckpointConfig, EarlyStoppingConfig, LoggingConfig, HyperparameterSearchConfig, MonitorConfig, TrainerConfig, FeaturizerArgs, ClassifierArgs, FinetuningArgs, ModelCheckpointConfig, EarlyStoppingConfig, LoggingConfig, HyperparameterSearchConfig, MonitorConfig, TrainerConfig, FeaturizerArgs, ClassifierArgs, FinetuningArgs
from modelscope.pipelines import textclassification as textcls_plgs
from modelscope.pipelines import textclassification as textcls_plgs2
from modelscope.pipelines import textclassification as textcls_plgs3
from modelscope.pipelines import textclassification as textcls_plgs4
from modelscope.pipelines import textclassification as textcls_plgs5
from modelscope.pipelines import textclassification as textcls_plgs6
from modelscope.pipelines import textclassification as textcls_plgs7
from modelscope.pipelines import textclassification as textcls_plgs8
from modelscope.pipelines import textclassification as textcls_plgs9
from modelscope.pipelines import textclassification as textcls_plgs10
from modelscope.pipelines import textclassification as textcls_plgs11
from modelscope.pipelines import textclassification as textcls_plgs12
from modelscope.pipelines import textclassification as textcls_plgs13
from modelscope.pipelines import textclassification as textcls_plgs14
from modelscope.pipelines import textclassification as textcls_plgs15
from modelscope.pipelines import textclassification as textcls_plgs16
from modelscope.pipelines import textclassification as textcls_plgs17
from modelscope.pipelines import textclassification as textcls_plgs18
from modelscope.pipelines import textclassification as textcls_plgs19
from modelscope.pipelines import textclassification as textcls_plgs20

FAQs:

1、Q: 在ModelScope中,如何将本地数据转换成适合输入到预训练模型的格式?

A: 在ModelScope中,可以使用modelscope.data模块中的函数将本地数据转换成适合输入到预训练模型的格式,对于文本分类任务,可以使用load_dataset函数加载文本数据集,然后使用split_dataset函数将数据集划分为训练集、验证集和测试集,对于图像分类任务,可以使用load_image函数加载图像数据,然后使用transform函数将图像数据转换为张量,可以使用create_dataloader函数创建数据加载器,以便将数据输入到预训练模型中。

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