par(mfrow=c(3, 3))hist(as.numeric(data_cleaned$Cl.thickness))hist(as.numeric(data_cleaned$Cell.size))hist(as.numeric(data_cleaned$Cell.shape))hist(as.numeric(data_cleaned$Marg.adhesion))hist(as.numeric(data_cleaned$Epith.c.size))hist(as.numeric(data_cleaned$Bare.nuclei))hist(as.numeric(data_c...