set.seed(123)
x <- rnorm(10, 15,1)
y <- rnorm(10, 7,0.1)
z <- rnorm(10, 3,0.01)

distdat <- data.frame(x,y,z)

rownames(distdat) <- c("a", "b", "c", "d", "e", "f", "g", "h", "i", "j")

col_name <- c("x", "x", "x")
row_name <- c("h", "g", "a")
min_val <- c(14.21208, 14.88804, 14.98797)

newdat <- data.frame(col_name, row_name, min_val)