Utilities, data randomization and special graphic methods

Convex polygons superimposed on ordinations

Minimum spanning trees superimposed on ordinations

Rotating plots

Partitions derived from dendrograms

Excel export/import

Conversion of symmetric matrix formats

Transposing data matrices

Data standardization and transformation

• Standard deviation
• Range
• Logarithm
• Power
• Clymo
• Arc sin - sqrt
• Division by total
• Division by maximum
• Centring, double-centring
• Binarization
• Adjustment to unit length

Randomizing raw data

• Bootstrap samples from rows or columns
• Permutation within rows and columns
• Random sample of rows or columns
• Randomization of the entire matrix