search for: yldeonr

Displaying 2 results from an estimated 2 matches for "yldeonr".

2004 Nov 14
1
Combining expressions and objects within labels
...me from some more complicated R calculations). In one of this labels I'd like to place a superscript, however I cannot find a way to place both the expression and the object in the same label. Thanks in advance and best regards. Please look at the example below: # my objects eonr <- 75 yldeonr <- 150 r_2 <- 0.95 # the plot and simple labels plot(0:100, 0:100) text(60,40, paste("EONR=",eonr)) text(60,36, paste("Yield at EONR=",yldeonr)) # I'd like to place the superscript on the r text(60,32, paste("Pseudo r^2=",r_2)) # This does not seem to wor...
2004 Mar 17
0
NLS question:Quadratic plus plateau fit
...001, x0=135), trace=T) qp.nls.fit summary(qp.nls.fit) c.qp.fit <- coefficients(qp.nls.fit) attach(as.list(c.qp.fit)) yld.x0 <- b0 + b1*x0 + b2*x0^2 maxn <- -b1/(2*b2) eonr <- (ratio - b1)/(2*b2) eonr2 <- round(eonr, digits = 0) yldmaxn <- b0 + b1*maxn + b2*maxn^2 yldeonr <- b0 + b1*eonr + b2*eonr^2 yldeonr2 <- round(yldeonr, digits = 0) plot(yield ~ nrate, pch = 16, main = "Quadratic plus Plateau Model", xlab = expression(paste("Nitrogen rate [lbs ac" ^-1,"]")), ylab = expression(paste("Corn yield [bu ac...