Illicia Expected vs New Method Ages Paired T Test

## 
##  Paired t-test
## 
## data:  datan$Expected and datan$New
## t = -3.5114, df = 56, p-value = 0.0008885
## alternative hypothesis: true difference in means is not equal to 0
## 95 percent confidence interval:
##  -0.33062912 -0.09042351
## sample estimates:
## mean of the differences 
##              -0.2105263

Illicia Expected vs New method ANCOVA

Illicia Size At age Boxplot n= 57

Illicia Female Size At age Boxplot n= 27

Illicia Male Size At age Boxplot n= 29

g<- growth(intype=1,unit=1,size=data$`Length (cm)`,age=data$New,
        calctype=1,wgtby=1,error=1,Sinf=200,K=0.3,t0=-1)
## Error in nls(size ~ Sinf * exp(-exp(-K * (age - t0))), data = x, weights = wgts,  : 
##   singular gradient
## Error in nls(size ~ Sinf/(1 + exp(-K * (age - t0))), data = x, weights = wgts,  : 
##   singular gradient