artexp  avgscore  poor   #(1="Y")
249  64.2  0
348  60.3  0
205  50.2  1
285  64.7  0
221  54.9  1
310  51  1
231  53.8  1
130  61.3  0
390  68.4  0
80  41.5  1
325  48.5  1
173  57  0
201  53.6  1
278  71.9  0
159  45.9  1
382  63.1  0
88  43.7  1
124  52.9  1
282  50.5  1
334  59.7  0