why use network meta analysis which factor is an example of an interaction study what is the difference between a r meta and a network meta what is the interaction between two variables in r does gender affect health in a network meta-analysis study what is the effect of the hair color why is it necessary to do a network meta-analysis when you are looking at effects of gender and hair color effects of hair color for blood pressure r mta comparing gender and hair color what network meta-analysis is used to study the main effect? what is the main effect of gender in meta-analysis what is the effect of hair color and gender what is the main effect of hair color what are the effects of multiple treatment comparison r why use r meta-analysis which network meta-analysis is used to compare two independent variables and to test for interrelated factors? what is the interaction for a network meta analysis network meta-analysis definition why network meta-analysis