Countif power bi is not a function that is available in Power BI just like we have it in excel. But we can create countif function in dax with the help of Calculate and countrows functions in DAX.
In this way power bi countif will work the same as excel countif function.
In this channel we will make power bI tutorials on Power BI transformation, Power query and advance DAX plus Power BI Dashboards. Power BI Analytics & Power BI Traning