fix(classification2): remove traling whitespace from line 1237

Author: icohentervaert

source/classification2.Rmd

@@ -1234,7 +1234,7 @@ each estimate having a standard error around `r round(mean(100*accuracies$std_er
 Since the cross-validation accuracy estimates the test set accuracy,
 the fact that the test set accuracy also doesn't change much is expected.
 Also note that the $K =$ 3 model had
-a precision of `r round(100*cancer_prec_1$.estimate, 0)`% and 
+a precision of `r round(100*cancer_prec_1$.estimate, 0)`% and
 recall of `r round(100*cancer_rec_1$.estimate, 0)`%,
 while the tuned model had
 a precision of `r round(100*cancer_prec_tuned, 0)`% and recall of `r round(100*cancer_rec_tuned, 0)`%.