search for: demensional

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Did you mean: 3dimensional
2000 Mar 04
0
Re: persp() problem
...>1 21 2000 3 8.3 >1 24 2000 4 8.7 >1 26 2000 4 11.1 >1 31 2000 4 12.3 >2 7 2000 4.5 12.0 >2 14 2000 4.5 14.9 >2 18 2000 4.5 23.0 >2 25 2000 3 20.1 >2 28 2000 2 11.3 > >dates <- mdy.date(month,day,year) >persp(dosis,dates,vanco) >-- trying to produce a three demensional picture of vancomycin versus dose and data. >but: Error in persp(dosis, dates, vanco) : increasing x and y values expected >Dates is increaing, and I couldnot figure out how to make both dosis and dates increase and wonder >how to produce a surface in this situation. Dear Troels, Sure it...