search for: asclepias

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2006 Nov 13
0
help with syntax of nlme call.
...I explain the steps below in the hope that someone can explain the error and how to correct it. STEP 1: Data set: name: marouane.data. This is a data frame whose first few lines are as follows: > marouane.data[1:13,] species plant leaf irradiance photosynthesis chlorophyll 1 Asclepias.incarnata 1 1 0 -2.091359 0.02619 2 Asclepias.incarnata 1 1 50 1.153241 0.02619 3 Asclepias.incarnata 1 1 100 2.241963 0.02619 4 Asclepias.incarnata 1 1 200 3.541258 0.02619 5 Asclepias.incarnata...