| Message | Cause and Solution |
| «At least 2 variables are required» | A multivariate analysis requires at least Two active variables. Complete the selection. |
| «Only qualitative variables are allowed" »for the ACM" | A quantitative variable was selected. The withdraw, or switch to FAMD. |
| «The samples are invalid; the standard deviation »is worthless" | A variable is a constant: it does not contain any Information. Remove it. |
| Fewer people than expected | Empty cells in the active variables have off the lines. |
| An additional variable does not appear | She did not have information on all of the individuals selected. Complete it. |
| Two variables that are nearly confounded | They're practically redundant. Don't keep them ...which makes the axes easier to read. |
Messages and Special Cases
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