how do you find out the total number of users in an app how do you model the number of users in a mobile app how is the % of the app users? how to model the number of users in the app how to model mobile users how to model a mobile app if a mobile app has users how is the graph used how to figure out how many people are enrolled in the mobile app? what is a graph of app users what is the bmatrix in the app of user time series definition for app user what is a model for a time series what is the graph for the app user what is the model for the number of users what is $a$ how to model number of users for mobile apps which of the following is an example of an autoregressive time series model? what is the model of user interaction what is the value of b$ in a time series what is the model for the number of app users?