Home >Backend Development >Python Tutorial >Use Python to build a machine learning kingdom and realize a new chapter of smart life
Machine learning is a branch of computer science that enables computers to learn from data and operate without explicit programming make decisions under circumstances. Machine learning algorithms can learn from training data and make predictions or decisions on new data based on the learned knowledge.
python is a general-purpose, interpreted, object-orientedprogramming language. It is simple, easy to learn, and powerful, making it very suitable for machine learning. Python provides a rich set of machine learning libraries that can help us easily build machine learning models.
The following is a sample code for using Python to build a machine learning kingdom:
# 导入必要的库 import pandas as pd from sklearn.model_selection import train_test_split from sklearn.linear_model import LinearRegression # 加载数据 data = pd.read_csv("data.csv") # 将数据分成训练集和测试集 X_train, X_test, y_train, y_test = train_test_split(data.drop("target", axis=1), data["target"], test_size=0.2, random_state=42) # 创建线性回归模型 model = LinearRegression() # 训练模型 model.fit(X_train, y_train) # 评估模型 score = model.score(X_test, y_test) # 打印模型得分 print("模型得分:", score)
This code first imports the necessary libraries, then loads the data and splits it into a training set and a test set. Next, create a linear regression model and train it using the training set. Finally, the model is evaluated using the test set and the model score is printed.
Through the above example, we can see how simple it is to use Python to build a machine learning kingdom. We can easily build various machine learning models using Python and apply them in real life.
Machine learning can help us solve many real-world problems. For example, we can use machine learning to predict weather, recommend products, detect fraud, identify images, and more. Machine learning is changing our lives. It is making our lives smarter and more convenient.
In the new chapter of smart life, machine learning will play an increasingly important role. Let us learn Python together, build a machine learning kingdom together, and realize a new chapter of smart life together!
The above is the detailed content of Use Python to build a machine learning kingdom and realize a new chapter of smart life. For more information, please follow other related articles on the PHP Chinese website!