Install and Import Packages

# 📦 Install packages
%pip install ISLP
%pip install torchinfo

# 📚 Standard imports
import numpy as np
import pandas as pd
from matplotlib.pyplot import subplots

# 📈 Scikit-learn 모델 관련
from sklearn.linear_model import (
    LinearRegression,
    LogisticRegression,
    Lasso
)

from sklearn.preprocessing import StandardScaler
from sklearn.model_selection import (
    train_test_split,
    GridSearchCV,
    KFold
)
from sklearn.pipeline import Pipeline

# 🧪 ISLP 관련
from ISLP import load_data
from ISLP.models import ModelSpec as MS

# 🔥 Torch-Specific Imports
import torch
from torch import nn
from torch.optim import RMSprop
from torch.utils.data import TensorDataset

# 📊 Metrics
from torchmetrics import (
    MeanAbsoluteError,
    R2Score
)

# 🧩 Torch model inspection
from torchinfo import summary

# ⚡ PyTorch Lightning: Training Framework
from pytorch_lightning import Trainer, seed_everything
from pytorch_lightning.loggers import CSVLogger

# 🌱 Seed 고정 (재현성 확보)
seed_everything(0, workers=True)

# 🔒 Deterministic 모드 설정 (일관된 결과 재현)
torch.use

# 🖼️ TorchVision: 이미지 관련 도구들
from torchvision.io import read_image
from torchvision.datasets import MNIST, CIFAR100
from torchvision.models import (
    resnet50,
    ResNet50_Weights
)
from torchvision.transforms import (
    Resize,
    Normalize,
    CenterCrop,
    ToTensor
)

# 🧪 ISLP.torch 모듈
from ISLP.torch import (
    SimpleDataModule,
    SimpleModule,
    ErrorTracker,
    rec_num_workers
)

from ISLP.torch.imdb import (
    load_lookup,
    load_tensor,
    load_sparse,
    load_sequential
)

# 🧰 유틸리티
from glob import glob
import json