fit2df.lmlist <- function(fit, condense=TRUE, metrics=FALSE, na.to.missing = TRUE, estimate.suffix="", ...){
x = fit
if (metrics==TRUE && length(x)>1){
stop("Metrics only generated for single models: multiple models supplied to function")
}
df.out <- plyr::ldply(x, .id = NULL, function(x) {
explanatory = names(coef(x))
coef = round(coef(x), 2)
ci = round(confint(x), 2)
p = round(summary(x)$coef[,"Pr(>|t|)"], 3)
df.out = data.frame(explanatory, coef, ci[,1], ci[,2], p)
colnames(df.out) = c("explanatory", paste0("Coefficient", estimate.suffix), "L95", "U95", "p")
return(df.out)
})
# Remove intercepts
df.out = df.out[-which(df.out$explanatory =="(Intercept)"),]
if (condense==TRUE){
p = paste0("=", sprintf("%.3f", df.out$p))
p[p == "=0.000"] = "<0.001"
df.out = data.frame(
"explanatory" = df.out$explanatory,
"Coefficient" = paste0(sprintf("%.2f", df.out$Coefficient), " (", sprintf("%.2f", df.out$L95), " to ",
sprintf("%.2f", df.out$U95), ", p", p, ")"))
colnames(df.out) = c("explanatory", paste0("Coefficient", estimate.suffix))
}
# Extract model metrics
if (metrics==TRUE){
x = fit[[1]]
n_model = dim(x$model)[1]
n_missing = length(summary(x)$na.action)
n_data = n_model+n_missing
n_model = dim(x$model)[1]
loglik = round(logLik(x), 2)
r.squared = signif(summary(x)$r.squared, 2)
adj.r.squared = signif(summary(x)$adj.r.squared, 2)
metrics.out = paste0(
"Number in dataframe = ", n_data,
", Number in model = ", n_model,
", Missing = ", n_missing,
", Log-likelihood = ", loglik,
", R-squared = ", r.squared,
", Adjusted r-squared = ", adj.r.squared)
}
if (metrics==TRUE){
return(list(df.out, metrics.out))
} else {
return(df.out)
}
}
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