Last data update: 2014.03.03
R: Total Least Squares Composition Estimator
Total Least Squares Composition Estimator
Description
estimates a matrix X for which:
(A+ε_A)X = B+ε_B
minimize ∑{ε_A^2 + ε_B^2}
∑{X_{i,}}=1 forall i
X>0
the elements of ε_A are NULL if the corresponding
elements of A are NULL.
A typically contains biomarker concentrations for several taxonomic groups,
and B field measurements of the same biomarkers. X is then an estimate
of the taxonomic composition of the field sample.
Usage
tlsce(A, B, Wa=NULL, Wb=NULL, minA=NULL, maxA=NULL,
A_init=A, Xratios=TRUE, ...)
Arguments
A
a matrix or data frame. If A contains biomarker data for
taxonomic groups, the biomarkers have to be organized per row, and
the taxonomic groups per column.
B
a matrix or data frame. If B contains biomarker field data,
the biomarkers have to be organized per row, and the samples per
column.
Wa
weighting of A, a matrix with the same dimensions of A. If
Wa=NULL
, Wa defaults to 1. This parameter can be used to give
more importance to elements of A or A in total compared to
B. weights are implemented as
proportional to 1/s (as opposed to 1/s^2 ) with s the
standard deviation of the error term.
Wb
weighting of B, a matrix with the same dimensions of B. If
Wb=NULL
, Wb defaults to 1. This parameter can be used to give
more importance to elements of B or B in total compared to
A. weights are implemented as
proportional to 1/s (as opposed to 1/s^2 ) with s the
standard deviation of the error term.
minA
minimum values for A
maxA
maximum values for A
A_init
a matrix with the same structure as A. a general,
non-linear optimization routine (default nlminb
) is used to
minimize the sum of squared residuals of A versus the fitted matrix
A_fit (see falue). This optimization routine requires a set of
starting values, by default the non-zero elements of A. This
provides a good fit, but when in doubt about the convergence of the
algorithm, one can provide different starting values for the
optimization routine in A_init.
Xratios
TRUE or FALSE: are the colSums of the matrix X equal
to 1? This is for example the case in a compositional matrix.
(only if A and B are both expressed
relative to the unit of biomass) if
Xratios =TRUE, A has pigment
concentrations per biomass unit, B
has pigment concentrations per
biomass unit per sample, and X
contains ratios of biomass unit per
sample. if Xratios =FALSE, A has
pigment concentrations per biomass
unit, B has pigment concentrations
per sample, and X has biomass units
per sample
...
Arguments to be passed to lsei()
or to modFit()
Details
instead of a linear least squares regression, in which the
elements of A would be fixed, the function tlsce
includes the
non-zero elements of A in the least squares regression. This is
similar to other total least squares regression methods (also called
orthogonal regression), with the main
difference that only non-zero elements of A contain an error term.
Value
A list with the following elements:
X
Array with dimension c(ncol(A
),ncol(B
),
iter
) containing the species composition of each sample
A_fit
Array with same dimension as A
, containing the
best-fit values of the input biomarker data per taxonomic group
B_fit
Array with same dimension as B
, containing the
biomarker field data, corresponding to Afit
solutionNorms
a vector of 3 values:
the value of the minimised quadratic function at the solution, in this case
sum((Afit-A)*Wa)^2 + (Bfit-B)^2) ,
and the shares of this value attributed to A and to B
convergence
An integer code. '0' indicates successful convergence.
Author(s)
Karel Van den Meersche <k.vdmeersche@nioo.knaw.nl>,
Karline Soetaert <k.soetaert@nioo.knaw.nl>
References
Van den Meersche, K., K. Soetaert and J.J. Middelburg (2008) A
Bayesian compositional estimator for microbial taxonomy
based on biomarkers , Limnology and Oceanography Methods 6, 190-199
See Also
BCE
Examples
A <- t(bceInput$Rat)
B <- t(bceInput$Dat)
tlsce(A,B)
## weighting Wa inversely proportional to A
tlsce(A,B,Wa=1/A)
Results
R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.
> library(BCE)
Loading required package: FME
Loading required package: deSolve
Attaching package: 'deSolve'
The following object is masked from 'package:graphics':
matplot
Loading required package: rootSolve
Loading required package: coda
Loading required package: limSolve
Loading required package: Matrix
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/BCE/tlsce.Rd_%03d_medium.png", width=480, height=480)
> ### Name: tlsce
> ### Title: Total Least Squares Composition Estimator
> ### Aliases: tlsce
> ### Keywords: models
>
> ### ** Examples
>
> A <- t(bceInput$Rat)
> B <- t(bceInput$Dat)
> tlsce(A,B)
$X
sample1 sample2 sample3 sample4 sample5
species1 0.0000000 0.36739459 0.5247678 0.2243613 0.1940198
species2 0.0000000 0.00000000 0.0000000 0.3019997 0.0000000
species3 0.0000000 0.02169081 0.0000000 0.0000000 0.0000000
species4 0.7826177 0.34311315 0.2246568 0.1753205 0.2943653
species5 0.2173823 0.26780144 0.2505754 0.2983185 0.5116149
$A_fit
species1 species2 species3 species4 species5
biomarker1 0.0000000 0.00000000 0.00000000 0.00000000 0.3120027
biomarker2 0.0000000 0.00000000 0.00000000 0.00000000 0.2450860
biomarker3 0.4213464 0.23308917 2.52898327 1.21352173 0.3044179
biomarker4 0.1900306 0.09612558 0.24963488 0.40726891 1.1221068
biomarker5 1.4678069 0.34531022 0.06323953 0.07593617 0.0000000
biomarker6 0.0000000 0.57903990 0.03360601 0.18730850 0.0000000
biomarker7 0.0000000 0.00000000 0.00000000 1.32118872 0.0000000
biomarker8 0.0000000 0.00000000 0.00000000 0.23776652 0.0000000
$B_fit
sample1 sample2 sample3 sample4 sample5
biomarker1 0.06782386 0.08355477 0.07818019 0.09307617 0.15962521
biomarker2 0.05327735 0.06563437 0.06141251 0.07311367 0.12538962
biomarker3 1.01589865 0.70755492 0.57001456 0.46849537 0.59471300
biomarker4 0.56266201 0.51547212 0.47239000 0.47781320 0.73084207
biomarker5 0.05942899 0.56669072 0.78731742 0.44691581 0.30713655
biomarker6 0.14659095 0.06499695 0.04208012 0.20770892 0.05513713
biomarker7 1.03398570 0.45331723 0.29681399 0.23163141 0.38891218
biomarker8 0.18608029 0.08158082 0.05341586 0.04168534 0.06999023
$SS
total A B
0.5934600 0.2887776 0.3046824
$fit
$par
[1] 0.42134644 0.19003056 1.46780686 0.23308917 0.09612558 0.34531022
[7] 0.57903990 2.52898327 0.24963488 0.06323953 0.03360601 1.21352173
[13] 0.40726891 0.07593617 0.18730850 1.32118872 0.23776652 0.31200268
[19] 0.24508595 0.30441787 1.12210682
$hessian
[,1] [,2] [,3] [,4] [,5]
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[16,] 1.018835e-02 5.464998e-03 5.896188e-04 7.111406e-04 8.742117e-04
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[18,] 1.193460e-02 1.956902e-02 9.305444e-04 -1.374096e-03 1.341500e-03
[19,] 9.284769e-03 1.515706e-02 7.236247e-04 -1.099468e-03 1.041933e-03
[20,] -8.349545e-03 2.221264e-02 1.121241e-03 2.450394e-03 1.785338e-03
[21,] 2.818663e-02 6.432303e-02 2.450406e-03 7.347314e-03 3.994769e-03
[,11] [,12] [,13] [,14] [,15]
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[21,] 2.513351e-04 1.321964e-01 0.6230151416 0.2308528266 0.0700098332
[,16] [,17] [,18] [,19] [,20]
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[6,] 0.0101883465 1.457319e-03 0.0119346025 0.0092847687 -8.349545e-03
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[18,] 0.1009046818 1.997214e-02 3.0212934117 -0.0353009674 7.184994e-02
[19,] 0.0794318533 1.534550e-02 -0.0353009674 3.0366933945 5.683182e-02
[20,] -0.3246191787 -6.672246e-02 0.0718499399 0.0568318236 2.701141e+00
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[,21]
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[17,] 0.0072855934
[18,] -0.1437438118
[19,] -0.1109389198
[20,] 0.1931741402
[21,] 2.8048510810
$residuals
[1] -0.0303464435 -0.1200305597 -0.0638068633 -0.0010891675 -0.0151255825
[6] -0.0063102169 -0.0150398951 -0.0008933799 -0.0024438696 -0.0014417753
[11] 0.0001018530 -0.1435217263 -0.4012689050 -0.0639361728 0.0026914986
[16] -0.0931887234 -0.1157665218 0.0419973236 0.0249140457 -0.0694178661
[21] -0.2321068215 -0.0347402472 -0.0236457314 -0.1443577612 -0.3668251719
[26] -0.0046735702 0.0824883868 -0.1070399456 -0.0895607348 0.0081778815
[31] 0.0003077380 -0.0411887970 -0.1126685807 -0.0664751074 0.0046954445
[36] -0.0240697048 -0.0189216917 0.0182723589 0.0107212650 -0.0106306047
[41] -0.0621722138 -0.0329590821 -0.0178277119 -0.0119417745 -0.0203168612
[46] 0.0329903321 0.0216115272 -0.0036076330 -0.0500838007 -0.0208953463
[51] -0.0498018145 0.0041636036 -0.0484434190 0.0643871128 0.0407335329
[56] -0.0454986417 -0.1792108363 -0.0896888480 -0.1723760956 0.0026687933
[61] -0.0887399339
$info
[1] 1
$message
[1] "Relative error in the sum of squares is at most `ftol'."
$iterations
[1] 12
$rsstrace
[1] 1.1852456 0.7757644 0.6903279 0.6154719 0.5971540 0.5940798 0.5935597
[8] 0.5934757 0.5934624 0.5934604 0.5934600 0.5934600 0.5934600
$ssr
[1] 0.59346
$diag
diag1 diag2 diag3 diag4 diag5 diag6 diag7
0.47681962 0.23752279 1.56105207 0.24125487 0.09932342 0.34741621 0.59565976
diag8 diag9 diag10 diag11 diag12 diag13 diag14
2.54648475 0.27284062 0.06512500 0.03468434 1.55642253 1.01119030 0.10653174
diag15 diag16 diag17 diag18 diag19 diag20 diag21
0.28162183 1.54978773 0.33430910 0.46104919 0.35308761 0.35374576 1.32880167
$ms
[1] 0.009728852
$var_ms_unscaled
[1] NA
$var_ms_unweighted
[1] NA
$var_ms
[1] NA
$rank
[1] 21
$df.residual
[1] 40
attr(,"class")
[1] "modFit"
> ## weighting Wa inversely proportional to A
> tlsce(A,B,Wa=1/A)
$X
sample1 sample2 sample3 sample4 sample5
species1 0.00000000 0.3316064 0.48024422 0.21454415 0.17824956
species2 0.00000000 0.0000000 0.00000000 0.28217109 0.00000000
species3 0.05720514 0.0560328 0.02346464 0.01805893 0.04097266
species4 0.59250216 0.2654179 0.17729545 0.14255547 0.21723831
species5 0.35029270 0.3469429 0.31899569 0.34267038 0.56353947
$A_fit
species1 species2 species3 species4 species5
biomarker1 0.00000000 0.00000000 0.00000000 0.000000000 0.3402311
biomarker2 0.00000000 0.00000000 0.00000000 0.000000000 0.2645218
biomarker3 0.39806496 0.23221154 2.63861113 1.238611578 0.2422926
biomarker4 0.07078116 0.08112961 0.25022076 0.006014673 1.2094134
biomarker5 1.57849416 0.33998549 0.06185610 0.012014071 0.0000000
biomarker6 0.00000000 0.57017478 0.03371573 0.190947872 0.0000000
biomarker7 0.00000000 0.00000000 0.00000000 1.510810954 0.0000000
biomarker8 0.00000000 0.00000000 0.00000000 0.124760432 0.0000000
$B_fit
sample1 sample2 sample3 sample4 sample5
biomarker1 0.11918046 0.11804077 0.10853224 0.11658711 0.19173364
biomarker2 0.09266006 0.09177397 0.08438131 0.09064378 0.14906848
biomarker3 0.96969550 0.69266102 0.54997296 0.45817374 0.58468118
biomarker4 0.44152630 0.45868589 0.42672761 0.45788440 0.70572772
biomarker5 0.01065685 0.53009347 0.76164417 0.43742048 0.28651021
biomarker6 0.11506574 0.05257016 0.03464532 0.18871637 0.04286262
biomarker7 0.89515875 0.40099623 0.26785990 0.21537436 0.32820601
biomarker8 0.07392083 0.03311365 0.02211946 0.01778528 0.02710275
$SS
total A B
0.8357650 0.2281971 0.6075679
$fit
$par
[1] 0.398064957 0.070781156 1.578494158 0.232211542 0.081129615 0.339985492
[7] 0.570174778 2.638611127 0.250220761 0.061856103 0.033715726 1.238611578
[13] 0.006014673 0.012014071 0.190947872 1.510810954 0.124760432 0.340231066
[19] 0.264521801 0.242292649 1.209413387
$hessian
[,1] [,2] [,3] [,4] [,5]
[1,] 1.315496e+01 0.158800381 0.126940045 0.0039032406 7.355217e-03
[2,] 1.588004e-01 408.660168570 0.295297953 0.0073552140 3.235365e-02
[3,] 1.269400e-01 0.295297953 1.238401161 0.0069966532 1.547563e-02
[4,] 3.903241e-03 0.007355214 0.006996653 37.1640921549 1.376275e-02
[5,] 7.355217e-03 0.032353647 0.015475632 0.0137627532 3.048947e+02
[6,] 6.996662e-03 0.015475648 0.012825554 0.0109770516 2.927524e-02
[7,] 1.619972e-02 0.035167779 0.029613402 0.0253239940 6.644840e-02
[8,] 6.280412e-03 0.012497240 0.010762862 0.0003660395 8.075616e-04
[9,] 1.249726e-02 0.037753190 0.022969082 0.0008075537 3.670505e-03
[10,] 1.076287e-02 0.022969075 0.018668738 0.0006707298 1.713786e-03
[11,] 2.764979e-04 0.001800762 0.002297497 0.0015487524 3.890896e-03
[12,] 3.809179e-02 0.078398128 0.065708290 0.0026315996 5.078527e-03
[13,] 7.839812e-02 0.241912498 0.145071727 0.0050785313 2.245914e-02
[14,] 6.570831e-02 0.145071747 0.114768610 0.0047320149 1.070027e-02
[15,] 7.164069e-03 0.028414393 0.023975009 0.0109519890 2.431228e-02
[16,] 4.920665e-02 0.113316378 0.085335704 0.0023064277 6.348841e-03
[17,] 2.248008e-03 0.003183939 0.003554888 -0.0003709653 -2.297651e-03
[18,] 6.779171e-02 -0.113702854 0.087311612 0.0090525859 -3.565578e-02
[19,] 5.230461e-02 -0.089772227 0.067109946 0.0069666408 -2.808110e-02
[20,] 6.696163e-02 0.136866744 0.115496573 0.0063810632 1.248566e-02
[21,] 1.368667e-01 0.425452548 0.253838107 0.0124856385 5.538417e-02
[,6] [,7] [,8] [,9] [,10]
[1,] 0.0069966625 0.016199716 0.0062804118 0.0124972550 1.076287e-02
[2,] 0.0154756482 0.035167779 0.0124972396 0.0377531898 2.296908e-02
[3,] 0.0128255540 0.029613402 0.0107628621 0.0229690824 1.866874e-02
[4,] 0.0109770516 0.025323994 0.0003660395 0.0008075537 6.707298e-04
[5,] 0.0292752410 0.066448401 0.0008075616 0.0036705049 1.713786e-03
[6,] 17.4240005156 0.047714173 0.0006707354 0.0017137922 1.258042e-03
[7,] 0.0477141728 6.397213067 0.0015487529 0.0038908910 2.896654e-03
[8,] 0.0006707354 0.001548753 0.3364054488 0.0623792798 1.364268e-02
[9,] 0.0017137922 0.003890891 0.0623792798 32.9037271798 4.099308e-02
[10,] 0.0012580417 0.002896654 0.0136426835 0.0409930801 5.237270e+02
[11,] 0.0028966584 0.006671877 0.0015741269 0.0119702246 1.154486e-02
[12,] 0.0047320228 0.010951992 -0.0023076954 -0.0150977743 -1.674546e-03
[13,] 0.0107002779 0.024312277 -0.0150977810 -0.0390773637 -7.072872e-03
[14,] 0.0087032026 0.020086952 -0.0016745436 -0.0070728655 7.235290e-02
[15,] 0.0200869556 0.046376480 0.0003853838 -0.0007391000 -4.901740e-03
[16,] 0.0043824441 0.010075006 -0.0032078511 -0.0162590151 1.236689e-03
[17,] -0.0008630337 -0.001940848 -0.0177568113 -0.0509122697 -1.252867e-02
[18,] 0.0096960466 0.024341678 0.0137592458 -0.0147203100 1.249422e-02
[19,] 0.0073823761 0.018571789 0.0106665720 -0.0116209472 9.544201e-03
[20,] 0.0114953794 0.026599270 0.0093216066 0.0163509386 1.252100e-02
[21,] 0.0263276457 0.059814376 0.0163509290 0.0514117471 2.857458e-02
[,11] [,12] [,13] [,14] [,15]
[1,] 2.764979e-04 0.0380917945 7.839812e-02 6.570831e-02 0.0071640695
[2,] 1.800762e-03 0.0783981282 2.419125e-01 1.450717e-01 0.0284143932
[3,] 2.297497e-03 0.0657082896 1.450717e-01 1.147686e-01 0.0239750093
[4,] 1.548752e-03 0.0026315996 5.078531e-03 4.732015e-03 0.0109519890
[5,] 3.890896e-03 0.0050785265 2.245914e-02 1.070027e-02 0.0243122836
[6,] 2.896658e-03 0.0047320228 1.070028e-02 8.703203e-03 0.0200869556
[7,] 6.671877e-03 0.0109519918 2.431228e-02 2.008695e-02 0.0463764804
[8,] 1.574127e-03 -0.0023076954 -1.509778e-02 -1.674544e-03 0.0003853838
[9,] 1.197022e-02 -0.0150977743 -3.907736e-02 -7.072866e-03 -0.0007391000
[10,] 1.154486e-02 -0.0016745461 -7.072872e-03 7.235290e-02 -0.0049017400
[11,] 1.760261e+03 0.0003853967 -7.390725e-04 -4.901733e-03 0.1103708626
[12,] 3.853967e-04 1.8953728900 3.244702e-01 4.805521e-02 0.0129557450
[13,] -7.390725e-04 0.3244702310 5.555646e+04 1.625444e-01 0.0724515218
[14,] -4.901733e-03 0.0480552130 1.625444e-01 1.388970e+04 0.0356686805
[15,] 1.103709e-01 0.0129557450 7.245152e-02 3.566868e-02 56.4471165303
[16,] -1.073351e-02 0.1862810907 4.334232e-01 9.100195e-02 -0.0846566025
[17,] -8.197979e-03 0.0485231762 1.306116e-01 3.274832e-02 0.0090573517
[18,] 4.393458e-03 0.0924301402 -1.154563e-01 6.381205e-02 0.0224514423
[19,] 3.187177e-03 0.0717986757 -9.012743e-02 4.921511e-02 0.0169669621
[20,] 2.210052e-03 0.0916994111 1.817609e-01 7.200428e-02 0.0174604735
[21,] 8.360884e-03 0.1817608433 5.339889e-01 1.812521e-01 0.0684331997
[,16] [,17] [,18] [,19] [,20]
[1,] 0.049206647 2.248008e-03 0.067791706 0.052304608 0.066961627
[2,] 0.113316378 3.183939e-03 -0.113702854 -0.089772227 0.136866744
[3,] 0.085335704 3.554888e-03 0.087311612 0.067109946 0.115496573
[4,] 0.002306428 -3.709653e-04 0.009052586 0.006966641 0.006381063
[5,] 0.006348841 -2.297651e-03 -0.035655775 -0.028081102 0.012485658
[6,] 0.004382444 -8.630337e-04 0.009696047 0.007382376 0.011495379
[7,] 0.010075006 -1.940848e-03 0.024341678 0.018571789 0.026599270
[8,] -0.003207851 -1.775681e-02 0.013759246 0.010666572 0.009321607
[9,] -0.016259015 -5.091227e-02 -0.014720310 -0.011620947 0.016350939
[10,] 0.001236689 -1.252867e-02 0.012494219 0.009544201 0.012521003
[11,] -0.010733514 -8.197979e-03 0.004393458 0.003187177 0.002210052
[12,] 0.186281091 4.852318e-02 0.092430140 0.071798676 0.091699411
[13,] 0.433423220 1.306116e-01 -0.115456341 -0.090127427 0.181760866
[14,] 0.091001951 3.274832e-02 0.063812052 0.049215108 0.072004279
[15,] -0.084656603 9.057352e-03 0.022451442 0.016966962 0.017460474
[16,] 1.582695552 -2.340490e-02 0.065933764 0.051203216 0.115221845
[17,] -0.023404903 1.354577e+02 0.009970989 0.007496675 -0.003756779
[18,] 0.065933764 9.970989e-03 17.469273065 -0.040191405 0.111903668
[19,] 0.051203216 7.496675e-03 -0.040191405 28.962407120 0.087570464
[20,] 0.115221845 -3.756779e-03 0.111903668 0.087570464 36.370523425
[21,] 0.254856527 -1.520942e-02 -0.237385845 -0.182292587 0.336883909
[,21]
[1,] 0.136866742
[2,] 0.425452548
[3,] 0.253838107
[4,] 0.012485638
[5,] 0.055384171
[6,] 0.026327646
[7,] 0.059814376
[8,] 0.016350929
[9,] 0.051411747
[10,] 0.028574583
[11,] 0.008360884
[12,] 0.181760843
[13,] 0.533988906
[14,] 0.181252056
[15,] 0.068433200
[16,] 0.254856527
[17,] -0.015209422
[18,] -0.237385845
[19,] -0.182292587
[20,] 0.336883909
[21,] 3.534930353
$residuals
[1] -0.0180689440 -0.0111593663 -0.1242835882 -0.0009118192 -0.0016001807
[6] -0.0029070572 -0.0109481883 -0.0437172900 -0.0122567173 -0.0009442096
[11] -0.0002332161 -0.1575809143 -0.0024454390 -0.0011725832 -0.0049887988
[16] -0.2303020795 -0.0226264894 0.0388952925 0.0202896269 -0.0310325493
[21] -0.3588914460 0.0166163557 0.0157369787 -0.1905609052 -0.4879608780
[26] -0.0534457138 0.0509631750 -0.2458668908 -0.2017202010 0.0426638814
[31] 0.0264473374 -0.0560827016 -0.1694548175 -0.1030723548 -0.0077313434
[36] -0.0763907032 -0.0673888644 0.0486244089 0.0336900696 -0.0306721964
[41] -0.1078346016 -0.0586323246 -0.0252625183 -0.0408958570 -0.0516132625
[46] 0.0565012704 0.0391416388 -0.0139292689 -0.0700125996 -0.0303906756
[51] -0.0687943607 -0.0120934511 -0.0723434735 0.0964955404 0.0644123908
[56] -0.0555304557 -0.2043251909 -0.1103151872 -0.1846506124 -0.0580373716
[61] -0.1316274140
$info
[1] 1
$message
[1] "Relative error in the sum of squares is at most `ftol'."
$iterations
[1] 7
$rsstrace
[1] 1.1852456 0.8421130 0.8359591 0.8357774 0.8357659 0.8357651 0.8357650
[8] 0.8357650
$ssr
[1] 0.835765
$diag
diag1 diag2 diag3 diag4 diag5 diag6 diag7 diag8
1.020899 1.014766 1.249979 1.000992 1.002057 1.003558 1.020019 1.101723
diag9 diag10 diag11 diag12 diag13 diag14 diag15 diag16
1.029206 1.001585 1.000375 1.205744 1.002794 1.001202 1.014488 1.397125
diag17 diag18 diag19 diag20 diag21
1.028299 1.042713 1.025559 1.033233 1.623961
$ms
[1] 0.01370107
$var_ms_unscaled
[1] NA
$var_ms_unweighted
[1] NA
$var_ms
[1] NA
$rank
[1] 21
$df.residual
[1] 40
attr(,"class")
[1] "modFit"
>
>
>
>
>
> dev.off()
null device
1
>