You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: TestGaitFeature.m
    path of file: ./repos/RFM/function/main
    
    the code of the file until where you have to start completion: %% Recognition step
% DB_R.opt.GaitRecogMethod = 1 
    
function DB_R = TestGaitFeature(DB_R, DB_P, DB_G)

switch DB_R.opt.GaitRecogMethod 
    case 1 % Proposed
        DB_R = ClusteredDissimilarity(DB_R, DB_P, DB_G);
        DB_R = MultipleLinearMatching(DB_R);
        DB_R = FrameLevelWeightedVoting(DB_R, DB_P);
    case 2 % Kas
        DB_R = OTHER_TEST_AGGREGATION(DB_R, DB_P, DB_G);
        switch DB_P.opt.GaitFeatureTest
            case 1, DB_R = OTHER_TEST_SPR(DB_R, DB_G);
            case 2, DB_R = OTHER_TEST_KNN(DB_R, DB_G);
            case 3, DB_R = OTHER_TEST_NN(DB_R, DB_G);
        end