七、函数和表格 定义函数 多个参数 注：方法 在列上应用函数 应用 作为值的函数 示例：预测 按照单变量分类 计算每个分类的数量 发现每个类别的特征 示例：NBA 薪水 交叉分类 通过多个变量的交叉分类 两个变量：计算每个类别偶对的数量 两个变量：查找每个类别偶对的特征 数据透视表：重新排列group 的输出 示例：加州成人的教...

For​ Usage of for statement​ For​ for –compute a union of subsets based on values of another set [ with with - item [, ...] ] for variable in iterator - expr ...

YAML Syntax YAML Basics Gotchas ansible IRC chat channel and #yaml for YAML specific questions YAML Syntax This page provides a basic overview of correct YAML syntax, which ...

YAML Syntax YAML Basics Gotchas ansible IRC chat channel and #yaml for YAML specific questions YAML Syntax This page provides a basic overview of correct YAML syntax, which ...

Indices Indices So you have your array of data elements, but what if you want to access a specific element? That is where indices come in. An index refers to a spot in the arr...

For For for –compute a union of subsets based on values of another set [ with with - item [, ...] ] for variable in iterator - expr union output - expr ; ...

The Julia REPL The different prompt modes The Julian mode Help mode Shell mode Search modes Key bindings Customizing keybindings Tab completion Customizing Colors Termina...

The Julia REPL The different prompt modes The Julian mode Help mode Shell mode Search modes Key bindings Customizing keybindings Tab completion Customizing Colors Termina...

The Julia REPL The different prompt modes The Julian mode Help mode Shell mode Search modes Key bindings Customizing keybindings Tab completion Customizing Colors Termina...

The Julia REPL The different prompt modes The Julian mode Help mode Shell mode Search modes Key bindings Customizing keybindings Tab completion Customizing Colors Termina...