R语言中num和facter
时间: 2023-10-23 08:07:01 浏览: 71
在R语言中,变量可以分为两种类型:num和factor。num代表连续型变量,它可以取连续的数值,并进行数值运算,比如求和、平均等。factor代表类别变量或有序型变量,它在R中被称为因子。因子可以取离散的数值或字符型值,用来进行分类或计数,但不能进行数值运算。在R中,我们可以使用函数factor()将一个变量转换为因子,函数的参数levels用于指定因子的水平值。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *3* [R语言中分类变量(factor)、水平(level)的修改与转换](https://blog.csdn.net/weixin_32871457/article/details/114469114)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
- *2* [R语言入门(10)-因子(factor)](https://blog.csdn.net/m0_52406014/article/details/122593805)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
[ .reference_list ]
阅读全文