Fig. 2From: BMI-for-age graphs with severe obesity percentile curves: tools for plotting cross-sectional and longitudinal youth BMI dataBMI-for-age graphs showing longitudinal BMI data for 30 females (a) and 22 males (b). Graph A was generated using SAS; graph B was generated using R. Each circle represents one measurement; each set of circles connected with a line represents one child. Data were drawn from published [6, 19, 20] and unpublished studiesBack to article page