brush PCP for the NewHavenResidential data (18221 x 8); very very slow... don't expect the brush to follow your mouse instantly

> str(NewHavenResidential)
'data.frame': 18221 obs. of 8 variables:
$ totalCurrVal: int 109200 107380 80500 75810 101920 73150 74830 67970 88270 116060 ...
$ livingArea : int 1480 1792 1239 984 1428 1080 882 907 2013 2124 ...
$ dep : int 24 11 26 35 13 27 22 28 27 17 ...
$ size : num 0.25 0.18 0.36 0.32 0.35 0.17 0.14 0.2 0.16 0.13 ...
$ zone : Factor w/ 3 levels "Other","RM","RS": 3 3 3 3 3 3 3 3 3 3 ...
$ acType : Factor w/ 2 levels "AC","No AC": 2 2 2 2 2 2 2 1 2 2 ...
$ bedrms : int 3 3 3 3 5 3 2 1 3 3 ...
$ bathrms : num 2.5 2 1 1 2 1.5 1 1 1 1 ...