Dear All,


I'm confused why I'm getting NA's in the output from ave() (at the end). Any help would be greatly appreciated. I'm including the data in case that is where the problem lies:


> f <- factor(FAMILYID) > bodyfat <- na.omit(data.frame(loessBODYFAT, f)) > bodyfat$loessBODYFAT [1] -8.950153e-01 -9.175285e-01 3.174061e-01 -2.101260e-01 2.534174e-02 [6] 1.846599e-01 8.322865e-01 1.348331e+00 1.241318e+00 1.634000e+00 [11] 1.611048e+00 6.824926e-01 2.346168e+00 2.924673e-01 6.919381e-01 [16] 3.142321e-01 -5.615214e-01 9.196103e-01 -1.290328e+00 -1.798727e+00 [21] -1.011590e-01 7.051146e-01 -1.254440e+00 1.189397e+00 -7.017545e-01 [26] 2.290020e-02 -1.451774e+00 -6.124868e-01 -4.780954e-01 3.237365e+00 [31] 1.595977e+00 5.950309e-01 -4.699706e-01 -2.153001e-01 -3.248170e-01 [36] -5.295042e-01 2.780444e-01 -5.878282e-01 -3.325859e-01 -7.690049e-02 [41] 4.991054e-01 -4.410101e-01 9.133328e-01 1.429758e+00 -8.484772e-01 [46] -1.004829e-01 1.769479e-01 3.892871e-01 7.209969e-01 3.759455e-01 [51] 3.982560e-02 -1.702333e-01 -3.622422e-01 -2.893234e-01 -9.769459e-01 [56] -1.935057e+00 -3.881132e-01 -1.037270e-02 2.561803e-01 3.884395e+00 [61] -2.234557e-01 -6.893120e-01 3.531379e-01 -1.726464e+00 7.136614e-02 [66] -4.278400e-01 -3.756271e-01 5.494344e-02 6.545344e-01 4.999740e-01 [71] 4.911730e-01 -1.296921e-05 3.166220e+00 2.715371e-01 -6.104207e-01 [76] 1.893740e+00 1.031131e+00 -5.917449e-01 -7.442768e-01 2.503388e+00 [81] -4.087622e-01 4.399654e-01 -8.355297e-01 3.964619e-01 2.672100e-01 [86] -3.927630e-01 -1.295004e+00 -1.874215e-01 -9.548985e-01 -1.366311e-01 [91] -1.352021e+00 -9.658552e-01 -1.190914e+00 -1.910233e+00 -7.595405e-02 [96] -1.648916e-01 -1.743877e-01 -1.234058e-01 -1.723277e+00 -7.316183e-01 [101] -8.062482e-01 -8.386729e-02 3.672521e-01 -7.525477e-01 -7.851946e-01 [106] -5.464147e-01 -1.454035e-01 -2.447245e-01 -4.732026e-01 -5.131587e-02 [111] -4.651404e-01 9.230189e-02 9.773851e-01 1.293947e-01 -3.261368e-01 [116] -1.671177e+00 -2.615938e-01 8.152311e-01 1.757506e-01 4.018943e-01 [121] -6.631180e-01 -1.839677e-01 > bodyfat$f [1] 1 1 1 1 1 2 3 3 3 3 3 3 3 3 3 3 4 5 6 6 6 7 7 [24] 7 7 8 9 9 9 9 9 9 9 9 9 9 9 10 10 10 11 11 11 11 12 12 [47] 12 12 13 13 13 14 14 14 15 15 15 15 15 16 16 16 16 16 16 16 16 18 18 [70] 18 18 20 21 21 22 22 22 23 23 23 23 23 25 25 25 30 30 30 31 31 31 31 [93] 35 35 35 35 35 35 37 37 39 39 39 39 39 39 39 39 40 40 44 44 45 45 45 [116] 47 47 47 47 50 50 50 50 Levels: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 ... 50 > ave(bodyfat$loessBODYFAT, bodyfat$f) [1] -3.359844e-01 -3.359844e-01 -3.359844e-01 -3.359844e-01 -3.359844e-01 [6] 1.846599e-01 1.099428e+00 1.099428e+00 1.099428e+00 1.099428e+00 [11] 1.099428e+00 1.099428e+00 1.099428e+00 1.099428e+00 1.099428e+00 [16] 1.099428e+00 -5.615214e-01 9.196103e-01 -1.063405e+00 -1.063405e+00 [21] -1.063405e+00 -1.542074e-02 -1.542074e-02 -1.542074e-02 -1.542074e-02 [26] 2.290020e-02 1.476790e-01 1.476790e-01 1.476790e-01 1.476790e-01 [31] 1.476790e-01 1.476790e-01 1.476790e-01 1.476790e-01 1.476790e-01 [36] 1.476790e-01 1.476790e-01 -3.324382e-01 -3.324382e-01 -3.324382e-01 [41] 6.002965e-01 6.002965e-01 6.002965e-01 6.002965e-01 -9.568124e-02 [46] -9.568124e-02 -9.568124e-02 -9.568124e-02 3.789227e-01 3.789227e-01 [51] 3.789227e-01 -2.739330e-01 -2.739330e-01 -2.739330e-01 -6.108618e-01 [56] -6.108618e-01 -6.108618e-01 -6.108618e-01 -6.108618e-01 1.082750e-01 [61] 1.082750e-01 1.082750e-01 1.082750e-01 1.082750e-01 1.082750e-01 [66] 1.082750e-01 1.082750e-01 -1.296921e-05 -1.296921e-05 -1.296921e-05 [71] -1.296921e-05 7.714833e-01 2.397139e-01 2.397139e-01 -5.728595e-02 [76] -5.728595e-02 -5.728595e-02 -6.250627e-01 -6.250627e-01 -6.250627e-01 [81] -6.250627e-01 -6.250627e-01 -6.066309e-01 -6.066309e-01 -6.066309e-01 [86] 2.602143e-01 2.602143e-01 2.602143e-01 -2.354473e-01 -2.354473e-01 [91] -2.354473e-01 -2.354473e-01 NA NA NA [96] NA NA NA NA NA [101] NA NA NA NA NA [106] NA NA NA NA NA [111] NA NA NA NA NA [116] NA NA NA NA NA [121] NA NA >

Thanks in advance,

Edward H. Hagen                  Institute for Theoretical Biology
phone: +49/30 2093-8649             Humboldt-Universit�t zu Berlin
fax:   +49/30 2093-8801                         Invalidenstra�e 43
http://itb.biologie.hu-berlin.de/~hagen      10115 Berlin, Germany

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