A cross-analysis is the look at the answers given by the respondents to 2 different questions simulateously. This analysis can only be carried out for the follwoing question types: Single choice question, multiple choice question, drop-down list and survey questions.
To carry a cross-analysis, you should select the horizontal question (X-coordinates) and the vertical question (Y-coordinates). you can also select a segmentation. The statistics (number and percentage) appear then immediately.