x            y_obs        weight       y_calc       y_bkg        
15.0         1.0          1.0          5.33736942491 5.33736942491 
15.05        1.0          1.0          5.32263501998 5.32263501998 
15.1         2.0          0.5          5.30790950242 5.30790950242 
15.15        1.0          1.0          5.29319287223 5.29319287223 
15.2         2.0          0.5          5.27848512941 5.27848512941 
15.25        1.0          1.0          5.26378627396 5.26378627396 
15.3         1.0          1.0          5.24909630588 5.24909630588 
15.35        0.0          1.0          5.23441522517 5.23441522517 
15.4         2.0          0.5          5.21974303183 5.21974303183 
15.45        1.0          1.0          5.20507972585 5.20507972585 
15.5         3.0          0.33333      5.19042530725 5.19042530725 
15.55        -1.0         1.0          5.17577977601 5.17577977601 
15.6         2.0          0.5          5.16114313215 5.16114313215 
15.65        0.0          1.0          5.14651537565 5.14651537565 
15.7         1.0          1.0          5.13189650652 5.13189650652 
15.75        0.0          1.0          5.11728652477 5.11728652477 
15.8         2.0          0.5          5.10268543038 5.10268543038 
15.85        0.0          1.0          5.08809322336 5.08809322336 
15.9         2.0          0.5          5.0735099037 5.0735099037 
15.95        1.0          1.0          5.05893547142 5.05893547142 
16.0         2.0          0.5          5.04436992651 5.04436992651 
16.05        -1.0         1.0          5.02981326897 5.02981326897 
16.1         1.0          1.0          5.01526549879 5.01526549879 
16.15        0.0          1.0          5.00072661599 5.00072661599 
16.2         1.0          1.0          4.98619662055 4.98619662055 
16.25        0.0          1.0          4.97167551248 4.97167551248 
16.3         1.0          1.0          4.95716329178 4.95716329178 
16.35        0.0          1.0          4.94265995846 4.94265995846 
16.4         3.0          0.33333      4.9281655125 4.9281655125 
16.45        1.0          1.0          4.91367995391 4.91367995391 
16.5         2.0          0.5          4.89920328268 4.89920328268 
16.55        0.0          1.0          4.88473549883 4.88473549883 
16.6         2.0          0.5          4.87027660235 4.87027660235 
16.65        0.0          1.0          4.85582659324 4.85582659324 
16.7         1.0          1.0          4.84138547149 4.84138547149 
16.75        1.0          1.0          4.82695323711 4.82695323711 
16.8         2.0          0.5          4.81252989011 4.81252989011 
16.85        0.0          1.0          4.79811543047 4.79811543047 
16.9         2.0          0.5          4.7837098582 4.7837098582 
16.95        0.0          1.0          4.7693131733 4.7693131733 
17.0         1.0          1.0          4.75492537577 4.75492537577 
17.05        0.0          1.0          4.74054646561 4.74054646561 
17.1         2.0          0.5          4.72617644282 4.72617644282 
17.15        0.0          1.0          4.7118153074 4.7118153074 
17.2         2.0          0.5          4.69746305935 4.69746305935 
17.25        0.0          1.0          4.68311969866 4.68311969866 
17.3         2.0          0.5          4.66878522535 4.66878522535 
17.35        1.0          1.0          4.6544596394 4.6544596394 
17.4         3.0          0.33333      4.64014294083 4.64014294083 
17.45        0.0          1.0          4.62583512962 4.62583512962 
17.5         2.0          0.5          4.61153620578 4.61153620578 
17.55        0.0          1.0          4.59724616931 4.59724616931 
17.6         2.0          0.5          4.58296502021 4.58296502021 
17.65        0.0          1.0          4.56869275848 4.56869275848 
17.7         2.0          0.5          4.55442938412 4.55442938412 
17.75        0.0          1.0          4.54017489713 4.54017489713 
17.8         1.0          1.0          4.5259292975 4.5259292975 
17.85        0.0          1.0          4.51169258525 4.51169258525 
17.9         2.0          0.5          4.49746476036 4.49746476036 
17.95        0.0          1.0