Which of the following statements is TRUE regarding PROC SGPANEL?

PROC SGPANEL is specifically designed for the visualization of categorical data, making the statement true. It enhances the presentation of data by allowing the creation of grouped plots and paneling, which is particularly useful for examining the characteristics of categorical variables across different groups. Users can generate multi-panel graphics that display the relationships between various categorical variables, facilitating a comprehensive analysis of data trends and distributions visually.

In support of this, although PROC SGPANEL does not specifically require advanced statistical modeling capabilities, it is tailored towards high-quality visual representation rather than the creation of complex statistical models, as suggested in another statement. Additionally, while some knowledge of SAS programming can aid in using PROC SGPANEL effectively, it is designed to be user-friendly, allowing users to create visualizations with relatively straightforward syntax without necessitating a high level of programming expertise. Lastly, the ability to display multiple variables simultaneously through panels contradicts the notion that it can only display one variable at a time, highlighting the functionality offered by this procedure in handling categorical data.