def getReducedFeats(dataX, dataY, ifeat):
    X = []
    selectedFeats = []
    if ifeat in [3, 5]:
        regressor = SVC(kernel="linear")
        rfe = RFE(regressor, ifeat)
        X = rfe.fit_transform(dataX, dataY)
        for i in np.argwhere(rfe._get_support_mask()):
            selectedFeats.extend(i+1)

    elif ifeat == 'all':
        X = dataX
        selectedFeats = 'all'

    elif ifeat == 'pca':
        pca = PCA(n_components=0.9)
        X = pca.fit_transform(dataX)
        selectedFeats = 'pca'

    return X, selectedFeats