what data is categorical how do you estimate time based on categorical data in r r duration vs owner what is the r method to estimate time can you estimate duration using categorical data? duration estimation using categorical data how to estimate duration using categorical data how do you calculate duration in r how to estimate duration how to calculate duration using categorical data how to estimate duration using categorical data how to estimate duration of a project in r how to estimate duration in r how to estimate duration of project how to find duration using categorical data how to estimate duration in r how long do projects cost how to calculate duration in project r how to estimate duration in r how can I estimate duration using categorical dataset