**Summary**

**31**

**No. of species (rows)**

This is the number of rows of data in the data set.

**No. of samples (cols)**

This is the number of columns in the data set.

**No. of zero cells**

This is the number of zero entries in the data matrix.

**No. of non zero cells **

This is the number of non zero entries in the data

matrix.

**% of zero cells **

This is the number of zero entries divided by the number of

cells in the data matrix.

**Maximum value**

This is the maximum value in the data matrix

**.**

**Minimum value**

This is the minimum value in the data matrix.

**Range**

This is the difference between the maximum and minimum values.

**Mean**

This is the mean of all the values in the data matrix.

**Standard deviation**

This is the standard deviation of all the values in the data

matrix.

**Median**

This is the median of all the values in the data matrix.

To obtain general statistics on the raw data select the Raw Data radio button in

the Use panel situated below the grid to select Raw Data.

Statistics for the individual rows and columns of either the raw or working data

matrix are selected using the Statistics radio buttons situated below the grid.

Values for each row or column are shown numbered in the order they appear in

the original data matrix. The statistics calculated are as follows:

**Mean**

This is the mean of all the values in the data matrix.

**Median**

This is the median of all the values in the data matrix.

**Max**

This is the maximum value in the data matrix

**.**

**Min**

This is the minimum value in the data matrix.

**Zeros**

This is the number of zero entries in the data matrix.

**Non zeros **

This is the number of non zero entries in the data matrix.

**% Zeros**

(Number of zeros/Total number of cells) * 100

**Sum**

This is the sum of all the values in each row or column in the data matrix.

**SumSqr**

This is the sums of squares of all the values in each row or column in

the data matrix.

**Variance**

This is the variance of all the values in each row or column in the

data matrix.

**Skewness**

This is the skewness of all the values in each row or column in the

data matrix.

**Kurtosis**

This is the kurtosis of all the values in each row or column in the

data matrix.

*Copyright 2004, PISCES CONSERVATION LTD*

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