iter RMSE 0 14.005006 1 13.14441192 2 12.34258257 3 11.64527793 4 11.02766183 5 10.43485794 6 9.890641275 7 9.492161212 8 9.105082953 9 8.674157135 10 8.341743544 11 8.049372916 12 7.757318612 13 7.522206899 14 7.297756655 15 7.088359431 16 6.882113791 17 6.704728832 18 6.563881962 19 6.418790279 20 6.315756953 21 6.210157751 22 6.115058449 23 6.014819884 24 5.93117229 25 5.844857622 26 5.771145213 27 5.704018229 28 5.665806474 29 5.616500369 30 5.558023666 31 5.510080976 32 5.468747792 33 5.429275534 34 5.402117324 35 5.367635151 36 5.345181232 37 5.319151269 38 5.296134146 39 5.269629003 40 5.251147059 41 5.248003302 42 5.232376509 43 5.213524255 44 5.189691584 45 5.166052198 46 5.140406659 47 5.118929684 48 5.108792602 49 5.098141225 50 5.085926393 51 5.067816804 52 5.049834901 53 5.03838627 54 5.033534248 55 5.023726885 56 5.01290392 57 5.005569127 58 4.989969032 59 4.976762446 60 4.967222715 61 4.954407599 62 4.942125056 63 4.930230716 64 4.921695642 65 4.906405625 66 4.894330248 67 4.88211557 68 4.877946398 69 4.863182126 70 4.84646533 71 4.838014752 72 4.82981137 73 4.817094767 74 4.808314151 75 4.796235023 76 4.784434534 77 4.774402487 78 4.76731896 79 4.75934113 80 4.754106378 81 4.744002932 82 4.731700554 83 4.723284153 84 4.712232782 85 4.703046867 86 4.698601855 87 4.692429407 88 4.675027364 89 4.662368584 90 4.646206172 91 4.641245848 92 4.633900435 93 4.624738236 94 4.612798287 95 4.605222001 96 4.601725912 97 4.59722371 98 4.580235665 99 4.57591791