This paper presents a study of comparison of the importance attached by the service providers’ and the customers’ with respect to eighteen service characteristics towards the public transportation services provided by a bus company. The survey was conducted in three bus depots in one...

The use of “radar charts” is an increasingly popular way to present spatial data in a visually interesting format. Some authors recommend using “filled radar charts” to compare the performance of observational units. Filled radar charts are not appropriate for such comparisons because...