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observLmer3 <-
function(observ,dam,sire,response,remain,ml=F,iter=1000) { #change to 1000
if (missing(observ)) stop("Need the observed data frame")
if (missing(dam)) stop("Need the dam column name")
if (missing(sire)) stop("Need the sire column name")
if (missing(response)) stop("Need the response column name")
if (missing(remain)) stop("Need the remaining formula")
print(time1<- Sys.time()) #start time
if (ml == F) {
m<- lmer(formula= noquote(paste(response,"~ (1| ",dam,") + (1| ",sire,") + (1|",dam,":",sire,") +",remain,sep="")),
data=observ) }
if (ml == T) {
m<- lmer(formula= noquote(paste(response,"~ (1| ",dam,") + (1| ",sire,") + (1|",dam,":",sire,") +",remain,sep="")),
data=observ, REML=F) }
n<- length(as.data.frame(VarCorr(m))$vcov)- 1 #minus residual
if (length(fixef(m)) > 1) {
var_fixed <- var(as.vector(fixef(m) %*% t(m@pp$X))) #total variation of fixed effects
tot<- sum(as.data.frame(VarCorr(m))$vcov[1:n],attr(VarCorr(m),"sc")^2,var_fixed) }
if (length(fixef(m)) == 1) { tot<- sum(as.data.frame(VarCorr(m))$vcov[1:n],attr(VarCorr(m),"sc")^2) }
comp<- data.frame(effect= c(as.data.frame(VarCorr(m))$grp[1:n]),effect2=c(as.data.frame(VarCorr(m))$var1[1:n]),
variance= c(as.data.frame(VarCorr(m))$vcov[1:n]))
other<- data.frame(component= c("Residual","Total"), variance=c(attr(VarCorr(m),"sc")^2,tot))
comp$percent<- 100*comp$variance/tot; other$percent<- 100*other$variance/tot
if (length(fixef(m)) > 1) {
fix_eff<- data.frame(effect=c(paste(attributes(terms(m))$term.labels),"Fix_Tot"),
variance=c(rep(NA,length(attributes(terms(m))$term.labels)),var_fixed))
fix_eff$percent<- 100*fix_eff$variance/tot
fix_eff$Chi.sq<- NA;fix_eff$p.value<- NA
#afex package
p_fixed<- mixed(m,data=observ,method = "PB",args_test = list(nsim = iter))$anova_table[c(1,4)]
#fixed term matching
f_term<- paste(attributes(terms(m))$term.labels)
for (i in 1:length(f_term)) {
fix_eff[,c(4,5)][which(fix_eff$effect==f_term[i]),]<- p_fixed[which(rownames(p_fixed)==f_term[i]),] } }
p_rand<- randLmer(model=m,observ=observ) #internal function
if (length(fixef(m)) > 1) { p_fix<- fixedLmer(model=m,observ=observ) } #internal function
temp<- comp #to not override column names
temp$effect<- factor(temp$effect)
levels(temp$effect)[which(levels(temp$effect)==dam)]<- "dam"
levels(temp$effect)[which(levels(temp$effect)==sire)]<- "sire"
levels(temp$effect)[which(levels(temp$effect)==noquote(paste(dam,":",sire,sep="")))]<- "dam:sire"
comp2<- data.frame(component=c("additive","nonadd","maternal"),variance=0,percent=0)
comp2$variance<- c(4*temp$variance[which(temp$effect=="sire")],4*temp$variance[which(temp$effect=="dam:sire")],
temp$variance[which(temp$effect=="dam")]- temp$variance[which(temp$effect=="sire")])
comp2$percent<- 100*comp2$variance/tot
if (length(fixef(m)) == 1) { var_obj<- list(random=comp,LRT=p_rand,other=other,calculation=comp2) }
if (length(fixef(m)) > 1) { var_obj<- list(fixed=fix_eff,LRT.fixed=p_fix,random=comp,LRT.random=p_rand,other=other,calculation=comp2) }
print(Sys.time()- time1) #end time, keep no quote in one line
invisible(var_obj) #after time
}
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