Displaying 3 results from an estimated 3 matches for "msi7".
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msi
2011 Aug 16
2
exponential model with decreasing
...g but there negative values. I adapted this following code whose
the origin code comes from in this forum:
Regress<-read.table("C:\\Users\\Regression.csv",sep=";",dec=",",header=TRUE)
Regress
f <- function(x,a,b) {a * exp(b * x)}
x<-Regress$EWT
y<-Regress$MSI7
plot(y ~ x)
fm <- nls(y ~ f(x,a,b), data =Regress, start = c(a=1, b=1))
co <- coef(fm)
curve(f(x, a=co[1], b=co[2]), add = TRUE)
But in the line 7, it blocks with the following message:
#Error in numericDeriv(form[[3L]], names(ind), env) :
# Missing value or an infinity produced when eval...
2011 Aug 16
0
exponential with decreasing
...but there negative values. I adapted this following code whose
the origin code comes from in this forum:
Regress<-read.table("C:\\Users\\Regression.csv",sep=";",dec=",",header=TRUE)
Regress
f <- function(x,a,b) {a * exp(b * x)}
x<-Regress$EWT
y<-Regress$MSI7
plot(y ~ x)
fm <- nls(y ~ f(x,a,b), data =Regress, start = c(a=1, b=1))
co <- coef(fm)
curve(f(x, a=co[1], b=co[2]), add = TRUE)
But in the line 7, it blocks with the following message:
Erreur dans numericDeriv(form[[3L]], names(ind), env) :
Valeur manquante ou infinie obtenue au cour...
2020 Feb 27
2
[PATCH] Update the 5 year logo to 10 year logo
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