Use nrow() to find number of rows ...READ MORE
Try this ,
Employee %>% group_by(EmpID) %>% mutate(SumSalary ...READ MORE
R provides 3 basic indexing operators. Refer ...READ MORE
We can Drop Columns by name in ...READ MORE
Its a small spelling mistake that you've ...READ MORE
Include this line in the code:
Library(shinydashboard) READ MORE
Correct the function name.
dashboardSidebar() READ MORE
The error means you’re missing out on ...READ MORE
If you used sub() to replace the ...READ MORE
You can also try this.
which(iris$Sepal.Length == ...READ MORE