Displaying 5 results from an estimated 5 matches for "lngth".
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2012 May 31
1
fitting allometric equation using a for a power model
...ain="pow")
abline(temppow)
plot(y~x, main="pow")
tempsum<-summary(temppow)$adj.r.squared
tempint<-summary(temppow)$coefficients[1,1] #intercept of power function
tempslope<-summary(temppow)$coefficients[2,1] #slope of power function
tempmin<-min(x)
tempmax<-max(x)
lngth<-c(tempmin:tempmax) # vector from the minimum to the maximum values
of independent variable
prediction<-exp(tempint)*((lngth)^tempslope)*exp((summary(temppow)$sigma^2)/2)
# exp((summary(temppow)$sigma^2)/2) is the bias correction
#prediction<-exp(tempint+tempslope*log(lngth))*exp((summar...
2000 Jun 21
3
SAS dataset
Hello,
Is there any way we convert SAS dataset into R dataset?
Kindest Regards,
Peppy Adi-Purnomo
------
Peppy Adi-Purnomo
Energy Market Analyst
Energy Link Ltd
Dunedin - New Zealand
Ph.: +64 3 479 2475
Fax: +64 3 477 8424
Email: s.adi.purnomo at energylink.co.nz
www.EnergyLink.co.nz
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2011 Mar 25
0
Bounding ellipse for any set of points
...matrix equation of the
## ellipse. i.e. a 2x2 matrix "A" and a 2x1 vector "C"
representing
## the center of the ellipse such that:
## (x - C)' A (x - C) <= 1
## Also in the list is a 2x1 vector elps.axes.lngth whose
elements
## are one-half the lengths of the major and minor axes
(variables
## a and b
## Also in list is alpha, the angle of rotation
######################################################################
mvee <- function(xy=NULL...
2012 Dec 03
0
Nested ANCOVA question
...ue Std.Error DF t-value p-value
#(Intercept) -3005.7828 741.2499 54 -4.055019 0.0002
#length.mm 523.9419 37.1477 54 14.104286 0.0000
#treatment1000 588.6912 288.0330 8 2.043832 0.0752
#treatment2000 1283.1145 292.3259 8 4.389329 0.0023
# Correlation:
# (Intr) lngth. tr1000
#length.mm -0.956
#treatment1000 -0.246 0.025
#treatment2000 -0.384 0.173 0.567
#
#Standardized Within-Group Residuals:
# Min Q1 Med Q3 Max
#-2.487003437 -0.594427676 0.004423702 0.445992447 2.463725291
#
#Number...
2011 Jul 21
0
Bounding ellipse for any set of points
...gt; ## ellipse. i.e. a 2x2 matrix "A" and a 2x1 vector "C"
> representing
> ## the center of the ellipse such that:
> ## (x - C)' A (x - C) <= 1
> ## Also in the list is a 2x1 vector elps.axes.lngth whose
> elements
> ## are one-half the lengths of the major and minor axes
> (variables
> ## a and b
> ## Also in list is alpha, the angle of rotation
> ######################################################################...