what variables do you use for cluster analysis which variable is almost always a variable in linear regression after performing the cluster analysis? what does it mean when your variable loses explanation power in a cluster how many variables are used in cluster analysis which data type is a variable in a linear regression? which variable is a constant in linear regression how to tell if a variable is constant what variable is a constant in a cluster? can you calculate the explanation power of a variable in a cluster how to find information power when performing a cluster regression how to calculate the information power from a cluster analysis how many information points did i lose after cluster analysis what variables are used for a cluster analysis how much information do you lose with cluster analysis what variable is always a constant when you perform a cluster analysis how many rows in cluster how many information points did the variable lose when performing the cluster analysis? what data type is the variable x_i$ used for how to measure information power