sp = data_train.target data_train.target1 =np.power(1.5,sp) print(data_train.target1.describe())
时间: 2024-05-21 19:10:24 浏览: 7
This code calculates the target1 variable for the data_train dataset, which is the target variable (sp) raised to the power of 1.5. Then, it uses the describe() method to get descriptive statistics of the target1 variable.
The describe() method provides information such as the count, mean, standard deviation, minimum value, 25th percentile, median (50th percentile), 75th percentile, and maximum value of the target1 variable.
It is important to note that the interpretation of these descriptive statistics depends on the specific dataset and problem being analyzed.
相关问题
解释下面的代码sp = data_train.target data_train.target1 =np.power(1.5,sp) print(data_train.target1.describe())
这段代码的作用是对一个数据集(data_train)中的目标变量(target)进行处理,将其进行1.5次方的操作(np.power(1.5,sp)),并将处理后的结果保存到新的变量(data_train.target1)中。最后用describe()方法输出处理后的结果的描述性统计信息。这个操作可能是为了使目标变量符合某种分布或者改善其预测效果。
SharedPreferences sp = Xiaomu_Dactor.this.getSharedPreferences("User", MODE_PRIVATE);
这是在 Android 中使用 SharedPreferences 存储用户数据的代码片段。其中,“User”是自定义的文件名,用于存储用户数据,MODE_PRIVATE 表示该文件只能被本应用程序访问。可以使用 putString、putInt、putBoolean 等方法将数据存储到 SharedPreferences 中,使用 getString、getInt、getBoolean 等方法获取存储的数据。例如:
存储数据:
```
SharedPreferences sp = Xiaomu_Dactor.this.getSharedPreferences("User", MODE_PRIVATE);
SharedPreferences.Editor editor = sp.edit();
editor.putString("name", "张三");
editor.putInt("age", 20);
editor.putBoolean("married", false);
editor.apply();
```
获取数据:
```
SharedPreferences sp = Xiaomu_Dactor.this.getSharedPreferences("User", MODE_PRIVATE);
String name = sp.getString("name", "");
int age = sp.getInt("age", 0);
boolean married = sp.getBoolean("married", false);
```
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