Confounder Variable
Confounder Variable A confounder is a variable that is related to both the independent and dependent variable, and partially, or even entirely, accounts for the relationship between these two. An important thing to note about confounders, is that they are not included in the hypothesis and they are generally not measured. This makes it impossible to determine what the actual effect of a confounder was. The only thing to do is to repeat the study, and control the confounder by making sure it takes on the same value for all participants. Example If we want to estimate house price and in our data set we have those variables : Size Number of bedrooms Address ZipCode Age of house We might find that size is strongly correlated to the price of the house, but in our dataset, the size also correlated to the zip code. and if we loop deeper we might find that the size of the hou...