Introduction |

Improvements to Version 2.1 of ECOM |

General instructions |

Quick quide to running a data set |

Installation and requirements |

System requirements |

Methods offered by ECOM |

Installation |

User preferences |

Importing from Excel |

Demonstration data sets |

File menu |

Opening a data set |

Creating and editing a data set |

Preparing large data sets in a spreadsheet program |

Data entry from within ECOM |

Editing existing data |

Saving edited data or creating a new data file |

Large data files |

Maximum size of the data set and computation speed |

Transforming and adjusting your data |

Data transformations |

Data relativisations |

Dealing with zeros |

Transposing data |

The output screens |

Summary of data |

Statistics radio buttons |

Sample Correspondence Check |

Environmental variables from biological features |

Data set statistics |

Groups |

Canonical Correspondence Analysis |

What is CCA? |

Selecting Environmental variables |

Linear combinations of environmental variables |

Dummy Environmental variables |

Transforming environmental variables |

Multicollinearity |

Circular environmental variables |

Species Scores |

Variance & Eigenvalues |

Sample Scores |

Ordination Plot |

Rank Plot |

Correlation of Env. Vars |

Binary Environments |

Biplot Scores |

Monte Carlo Simulations |

Environment plot |

Canonical Coef. |

Multiple Regression |

Scatter Plot |

Stepwise Multiple Linear Regression |

Variable Selection |

Foward Stepwise Linear Regression |

Backward Stepwise Linear Regression |

Variable Selection |

Sample/Species Data |

Working Samples/Species Data |

Environmental Data |

Working Environmental Data |

Redundancy Analysis |

Correspondence Analysis |

Printing and saving results |

Exporting charts |

Printing charts |

Preparing charts for output |

Exporting text and grid output |

Graph display options |

Tips for improving graphical output |

Zooming and panning on graphs |

Printing text and grid output |

Programs for ecologists by PISCES Conservation Ltd |

CAP |

ECOM |

Species Diversity and Richness IV |

Axis |

Fuzzy Grouping |

Simply Tagging |

Population Estimation by Removal Sampling |

Density from Distance |

Growth II (Simply Growth) |

Dynamica |

Hedgerow Assistant |

Simply Probit |

Lecture Resources |

Seashore Ecology |

The Ecology of Freshwaters |

The Galapagos Islands |

An Introduction to Multivariate Statistics |

An Introduction to Species Diversity and Richness |

E-books |

Entomology |

Aquatic Biology |

Botany |

Classics of Science and Exploration |

Pisces Thesis Series |

Worked Example |

Preliminary inspection and data transformation |

Examine and Select Environmental Variables |

Interpreting the results |

Problems with Species-Environment Correlation |

Obtaining help |

Common errors and problems |

References |

Demonstration version |

Citation |

Contacting PISCES for help |

Copyright 2007¸ PISCES Conservation Ltd