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I would like to preface this question that I am unfamiliar with coding and the language used in it, so I apologize if this question is easily fixed. I am working on a plot for my master's thesis data, and I modeled a plot years ago, turns out my numbers weren't as accurate as I should've made them, so I am redoing it all in R. I have these packages added for this: descTools, mosaic, mosaicCalc, mosiaicCore, m osaicData, and plotfun. I saved all of the lines previously used, and when I copy and paste them into r, I get error messages. Here is the first line that I am trying:

solG1 = integrateODE(dx~((Fw*(dw-x)-(ForgD))/M),x=-0.5031328,Fw=2510^18,dw=-4,Forg=3.1210^18,D=-28,M=4.110^18,tdur=list(from=0,to=0.7222))

this gets me this message:

Error in integrateODE(dx ~ ((Fw * (dw - x) - (Forg * D))/M), x = -0.5031328, : could not find function "integrateODE"

any help on what I am doing wrong would be greatly appreciated! I am at a stand still. I was getting a different error earlier, something about not being able to find the function tdur.

Thanks for the help in advance!

Bayne WS
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  • Try to write: `solG1 = mosaic::integrateODE(dx~((Fw*(dw-x)-(ForgD))/M),x=-0.5031328,Fw=2510^18,dw=-4,Forg=3.1210^18,D=-28,M=4.110^18,tdur=list(from=0,to=0.7222))` – Alex Sep 26 '22 at 22:36
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    Thank you for the quick response! I get this error now. Error: 'integrateODE' is not an exported object from 'namespace:mosaic' – Bayne WS Sep 26 '22 at 22:40
  • Ok. Try `mosaicCalc::integrateODE(dx~((Fw*(dw-x)-(Forg*D))/M),x=-0.5031328,Fw=2510^18,dw=-4,Forg=3.1210^18,D=-28,M=4.110^18, domain(t=0:0.7222))` – Alex Sep 26 '22 at 22:52
  • See https://stackoverflow.com/q/7027288/3358272. Closing this as it seems Alex has the correct package (google [`"cran" "integrateODE"`](https://www.google.com/search?client=firefox-b-1-d&q=cran+integrateode)) and it'll pop up there too). – r2evans Sep 27 '22 at 00:30

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