[,1] sex - categorical, levels = female, male
[,2] sport - categorical, levels = B_Ball, Field, Gym, Netball, Row, Swim, T_400m, Tennis, T_Sprnt, W_Polo
[,3] RCC - red cell count (numeric)
[,4] WCC - white cell count (numeric)
[,5] Hc - Hematocrit (numeric)
[,6] Hg - Hemoglobin (numeric)
[,7] Fe - plasma ferritin concentration (numeric)
[,8] BMI - body mass index: Wt/(Ht)^2 (numeric)
[,9] SSF - sum of skin folds (numeric)
[,10] Bfat - body fat percentage (numeric)
[,11] LBM - lean body mass (numeric)
[,12] Ht - height, cm (numeric)
[,13] Wt - weight, kg (numeric)