25
ECOM II
6.1
Summary of data
This screen gives summary statistics for both the raw and the working data sets.
When initially activated the screen shows general statistics for the working
environmental data set. This can be changed using the options in the panel below the
grid.
When first activated the data grid will display the following general statistics for the
working data.
No. of variables (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.
By using the radio buttons you can get a wider range of statistical facts about both
the environmental and biological variables and the sites. Remember that these
calculations can be undertaken on either the working or raw data.
To print the output select File|Print
For more information on the statistics presented see:
General dataset statistics
Statistics for columns and rows
Copyright 2004  PISCES Conservation Ltd





Actions web hosting footer




 

 

 

 

Home | About Us | Network | Compare Plans | Support | FAQ | Control Panel | Order Online | Sitemap | Contact

Terms Of Service

servlet web hosting

 

Our web partners: Web Hosting PHP Jsp Web Hosting Java Web Hosting Jsp Web Hosting Cheapest Web Hosting  Java Web Hosting

Cheap Web Hosting Java Hosting Cheapest Hosting Quality Web Templates Best Web Templates Web Design Templates

Java Web Hosting Cheap Hosting Cheap Web Hosting Jsp Web Hosting Tomcat Web Hosting

Quality Web Hosting Best Web Hosting Java Web Hosting

Actionswebhosting.com Business web hosting division of Vision Web Hosting Inc. All rights reserved.