A method, performed by an electronic process analysis device for selecting a pre-determined number of at least one of the multitude of process parameters based on determining, for a first product quantity of beer having undergone a first processing step as part of a brewing process, a first relation between a set of process parameters of the first processing step and at least one first product component parameter and/or a second relation between a set of ingredient parameters and at least one first product component parameter, the method comprising the steps of identifying the at least one first product component potentially present in the first product quantity; and obtaining at least one first product component parameter value for the first product quantity related to the first product component; characterised in that the method further comprises: at least one step of obtaining (214, 216, 218), from a process data acquisition control system, process data comprising a multitude of process parameter values related to the first processing step of the first product quantity and obtaining, from the process data acquisition control system, ingredient data comprising a multitude of ingredient parameter values related to a multitude of ingredients forming a basis for the first product quantity; and based on the multitude of process parameter values, the multitude of ingredient parameter values and the first product component parameter value, a step of determining (234, 240) a first relation score indicative of the first relation between each of the multitude of process parameter values and the first product component parameter value and/or a second relation score indicative of the second relation between each of the multitude of the ingredient parameter values and the first product component parameter value; and a step of selecting the pre-determined number of at least one of the multitude of process parameters and the multitude of ingredient parameters having relation scores indicating strongest relations with the first product component parameter value. obtaining at least one first product component parameter value for the first product quantity related to the first product component; characterised in that the method further comprises: at least one step of obtaining (214, 216, 218), from a process data acquisition control system, process data comprising a multitude of process parameter values related to the first processing step of the first product quantity and obtaining, from the process data acquisition control system, ingredient data comprising a multitude of ingredient parameter values related to a multitude of ingredients forming a basis for the first product quantity; and based on the multitude of process parameter values, the multitude of ingredient parameter values and the first product component parameter value, a step of determining (234, 240) a first relation score indicative of the first relation between each of the multitude of process parameter values and the first product component parameter value and/or a second relation score indicative of the second relation between each of the multitude of the ingredient parameter values and the first product component parameter value; and a step of selecting the pre-determined number of at least one of the multitude of process parameters and the multitude of ingredient parameters having relation scores indicating strongest relations with the first product component parameter value. at least one step of obtaining (214, 216, 218), from a process data acquisition control system, process data comprising a multitude of process parameter values related to the first processing step of the first product quantity and obtaining, from the process data acquisition control system, ingredient data comprising a multitude of ingredient parameter values related to a multitude of ingredients forming a basis for the first product quantity; and based on the multitude of process parameter values, the multitude of ingredient parameter values and the first product component parameter value, a step of determining (234, 240) a first relation score indicative of the first relation between each of the multitude of process parameter values and the first product component parameter value and/or a second relation score indicative of the second relation between each of the multitude of the ingredient parameter values and the first product component parameter value; and a step of selecting the pre-determined number of at least one of the multitude of process parameters and the multitude of ingredient parameters having relation scores indicating strongest relations with the first product component parameter value.