df[,2]是整列:0.50 0.11 0.23 0.06 0.36 0.19 df[,2]>mean(relabund)返回逻辑向量:TRU...
一种方法可以是使用tidyr来旋转,并使用dplyr来满足以下条件:
要对数据框列的值使用if条件,请阅读R 的矢量化ifelse()函数。
您可以尝试:
您可以尝试:
If Else logic for multiple conditions 09-07-2022 07:51 PM Hello Everyone, I have three columns "worker type", "Work location" and "Vendor name" and need to create a conditional or a custom column(Resource Type) by taking all of this parameters If "Worker type" is Employee the...
In some cases, you may want to checkmultiple conditions. For this, you can use the “else if” keyword. If you are familiar withif-else statements in Python, you may already know the else-if statement from R as the keyword “elif”. ...
Multiple else if conditions can be used after the starting if condition, and before a closing else condition, which is optional.If a condition expression evaluates to true, the corresponding action block is executed. Any following else if or else blocks are skipped. If a condition expression ...
条件语句中的else 什么是else else 就是对于if条件不满足的时候执行另一个代码块的入口 功能 当if...
Logical Operators to Add Multiple Conditions If needed, we can use logical operators such asandandorto create complex conditions to work with anifstatement. age =35salary =6000 # add two conditions using and operatorifage >=30andsalary >=5000: ...