The guy's at AnalyticsZone.com are so kind to provide us with a tutorial for IBM Cognos Insight... free of charge.
Be sure to check it out !
https://www.analyticszone.com/communities/service/html/communityview?communityUuid=48ab01ca-89ca-4827-890f-f202be87cd81#fullpageWidgetId%3DWa9873894cc3e_43af_8a62_a89ee7ee01d4%26file%3D4a0e892c-0033-486b-937a-6946ce2c4fbb