1 files changed, 14 insertions, 0 deletions
diff --git a/R/mkinerrmin.R b/R/mkinerrmin.R
new file mode 100644
index 0000000..7a922eb
--- /dev/null
+++ b/R/mkinerrmin.R
@@ -0,0 +1,14 @@
+mkinerrmin <- function(errdata, n.parms, alpha = 0.05)
+{
+  means.mean <- mean(errdata$value_mean, na.rm=TRUE)
+
+	df = length(errdata$value_mean) - n.parms
+  
+	f <- function(err)
+	{
+		(sum((errdata$value_mean - errdata$value_pred)^2/((err * means.mean)^2)) - 
+		 qchisq(1 - alpha,df))^2
+	}
+	err.min <- optimize(f, c(0.01,0.9))$minimum
+	return(list(err.min = err.min, n.optim = n.parms, df = df))
+}