A method of selecting preferred customized equipment parameters for golf clubs, according to one or more aspects of the present invention, may comprise collecting a primary data set comprising a plurality of actual golf-equipment parameters and a plurality of actual player-skill evaluation data; providing a plurality of secondary data sets, each comprising a first subset including a plurality of reference golf-equipment parameters and a plurality of reference player-skill evaluation data, and a second subset including a plurality of potential customized golf-equipment parameters; comparing the first subset of each of the plurality of secondary data sets with a corresponding subset of the primary data set; selecting all secondary data sets wherein the first subsets match the corresponding subset of the primary data set; identifying, from the second subsets of all the secondary data sets wherein the first subsets match the corresponding subset of the primary data set, the plurality of potential customized golf-equipment parameters belonging to a specific secondary data set; and designating the plurality of potential customized equipment parameters belonging to the specific secondary data set as the plurality of preferred customized golf-equipment parameters.