An Exercise

Maize zinc concentration data

The meaning of this data is not known but it is suitable for fitting a range of simple models.

As an exercise in using ASReml,

copy the data into an ascii file

(say zinc.dat)

run the job in on the

Getting started page.

view the various output files

(especially .asr. .res, .sln, .yht),

Change the model to fit:

    one way analysis of variance
    regression with random sources
    bivariate one way analysis of variance

SeedZn LeafZn
  1 61 24.1
  1 63 23.8
  2 51 16.0
  2 64 19.0
  6 69 22.6
  6 75 27.9
  6 93 24.6
  5 85 31.3
  5 86 35.4
  5 80 20.9
  7 47 13.9
  7 49 14.0
  7 57 17.3
  8 50 10.8
  8 48 12.3
  8 46 13.9
 11 69 26.8
 11 79 31.7
 12 64 22.5
 12 68 24.2
 13 48 13.4
 13 66 15.1
 13 53 14.1
 14 39 11.7
 14 40 11.5
 14 45 12.3
 17 63 24.8
 17 64 25.0
 17 70 21.4
 18 63 28.2
 18 61 23.0
 19 36 11.0
 19 29 10.2
 19 29 10.9
 21 57 18.6
 21 68 21.2
 21 61 18.2
 24 84 25.2
 24 64 25.1

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