### RawMap
    Matrix. size -> total number of items × xSize × ySize  

### FixMap
    Matrix. size -> total number of items × xSize × ySize  
    It's the smoothed RawMap

### PredictorM
    Dataset or table. size -> total number of items × number of predictor. 
    Categorical column must set to nominal  

### DescriptvM
    Dataset or table. size -> total number of items × number of predictor. 
    Categorical column must set to nominal  

### Mask
    2D binary matrix. size -> xSize × ySize  
    Mask==1 are the pixels being modeled.