The latest release of IDAS (including support files and documentation) is available via anonymous FTP. If you have installed a previous version, all you need to do is update the executable (IDAS.exe, 6.5 MB).
There are two types of installation procedures:
If you need assistance see "Contact Information"
Full installation is required if you've never installed IDAS on your computer before or if you've uninstalled an earlier version. If you have already installed IDAS and just want to install the latest release version, then you only need to update the executable file.
NOTE: If you are installing IDAS on a Windows NT or Windows 2000 machine, you must have administrator rights. If you are not sure whether you have administrator rights, please contact your system administrator.
Download the installation package into a temporary directory. This package consists of four files.
Copy (or copy and unzip) these four files into a temporary directory.
Run the program vbrun60sp5.exe (e.g., double click on the program name in Explorer) before starting the IDAS installation program. Running the vbrun60sp5.exe program will ensure that all the files required by Visual Basic are installed on the host computer.
The IDAS program uses the Microsoft Windows® installation program provide with Visual Basic 6.0. This program copies program files to new directories, registers the various program files, and adds IDAS to the startup menu. By default, the installation program installs IDAS and supporting files in the "Program Files" directory of the boot drive in the folder "Invertebrate Data Analysis System," though the user can specify a different directory during the installation process.
Install IDAS by running the set up program (setup.exe) after closing all other programs. Setup.exe should be run using the "Start" plus "Run" options on the main Windows screen. Follow the instructions provided by the installation program. IDAS will be installed in a folder called "Invertebrate Data Analysis System" within the "Programs" folder. The installation program will also create an "EcoTools" folder that can be used to hold data and output files. If the installation program alerts you that it is attempting to replace a newer version of a support file with an older version, select the option to keep the newer version of the support file.
Once IDAS has been installed, the installation files can be deleted.
IDAS is updated frequently, based on requests from users for new features or the discovery of bugs in the software. Fortunately, users don't have to go through the installation process to update IDAS. Simply download the latest version of the program executable file (IDAS.exe) and copy it over the existing copy of IDAS.exe in the folder "Programs/Invertebrate Data Analysis System" or wherever you have chosen to install IDAS.
IDAS also uses an attribute file (Attributes_BEHAV.xls) that contains information on functional feeding groups and tolerance values. This file also contains a list of USGS taxa names that are linked to the names used by the USEPA. The attributes file will be updated periodically so user should check "Supporting Files" to see if they have the latest version of Attributes_BEHAV.xls.
Download the latest version of Attributes_BEHAV.xls (1.2 MB).
IDAS uses the file Attributes_BEHAV.xls to provide information on functional feeding groups and tolerance values. This information is derived from Appendix B of the USEPA's Rapid Bioassessment Protocol*. This file also provides a means of linking USGS invertebrate names to those used by the USEPA. The IDAS installation program automatically installs this file in the same directory as the IDAS.exe program file (the default location is /Program Files/Invertebrate Data Analysis System/).
This file will be updated periodically to accommodate additions or changes to the master taxa list maintained by BG and to reflect changes in functional feeding group or tolerance information. The user should check to see if they are using the most recent version of the attributes file. Version information is stored in the spreadsheet named "version."
*Barbour, M.T., Gerritsen, J., Snyder, B.D., and Stribling, J.B. 1999. Rapid Bioassessment Protocols for Use in Streams and Wadeable Rivers: Periphyton, Benthic Macroinvertebrates, and Fish, Second Editon. EPA 841-B-99-002. U.S. Environmental Protection Agency; Office of Water, Washington, DC.
The IDAS program processes data downloaded from the USGS's Bio-TDB database. NAWQA_03192001_1012_Invert_Results_Comb.xls (1.6 MB) is an example of an invertebrate abundance file downloaded from Bio-TDB. NAWQA_03192001_1017_Sample_All.xls (47 KB) is an example of a "sample information" file downloaded from Bio-TDB. This file contains information on the area sampled by quantitative (RTH and DTH) samples. These two files can be used to test the features of the IDAS program.
Page size restrictions required resulted in the publication of abbreviated versions of the IDAS output files in the appendices of the IDAS manual. Full-text electronic versions of the following appendices are available for download.
Appendix Table I-1. An example of an invertebrate ("_Invert_Results_Comb.xls") data file downloaded from Bio-TDB (Appendix_I-1.xls, 1.3 MB).
Appendix Table I-2. A "_Sample_All.xls" data file downloaded from Bio-TDB. This file contains data on the area sampled for RTH and DTH samples (Appendix_I-2.xls, 47 KB).
Appendix Table II-1. A "processed format" file produced by the Data Preparation module of the IDAS program (Appendix_II-1.xls, 196 KB).
Appendix Table II-2. An example of the "_QQSMCODs" file that is produced by the Data Preparation file when RTH and(or) DTH samples are paired with QMH samples to form qualitative (QUAL) samples (Appendix_II-2.xls, 21 KB).
Appendix Table II-3. An example of the "_Options" file that is produced by the Data Preparation module. This file stores a list of the processing options selected by the user (Appendix_II-3.xls, 14 KB).
Appendix Table II-4. An example of the "_Stats" file that is produced by the Data Preparation module. This file stores information on the number of rows and total abundance that are present in the data set at three stages of data preparation (Appendix_II-4.xls, 25 KB).
Appendix Table IV-5. An example of the format of the spreadsheet or data table used to store diversity, dominance, and evenness data generated by the Calculate Diversities and Similarities module of the IDAS program (Appendix_IV-5.xls, 34 KB).
Appendix Table IV-6. An example of the format of the spreadsheet or table used to store similarity indices generated by the Calculate Diversities and Similarities module of the IDAS program when the user chooses to output all similarity indices to a single file (Appendix_IV-6.xls, 687 KB).
Appendix Table IV-7. An example of the format of the spreadsheet or table used to store similarity indices generated by the Calculate Diversities and Similarities module of the IDAS program when the user chooses to output each similarity index to a separate spreadsheet or table (Appendix_IV-7.xls, 119 KB).
Appendix Table V-1. An example of an ASCII text file (taxa as columns, sites as rows) generated by the Data Export module (Appendix_V-1.txt, 30 KB).
Appendix Table V-2. An example of an ASCII text file (sites as columns, taxa as rows) generated by the Data Export module (Appendix_V-2.txt, 30 KB).
Appendix Table V-3. An example of an "key" file that records the taxa names and sample information when abbreviations are used in the creation of comma-delimited and CANOCO-condensed formats created by the Data Export module (Appendix_V-3.txt, 8.9 KB).
Appendix Table V-4. An example of a tab-delimited ASCII file crated by the Data Export module (Appendix_V-4.txt, 27 KB).
Appendix Table V-5. An example of a CANOCO-condensed file format created by the Data Export module (Appendix_V-5.txt, 11 KB).
For technical assistance, please contact Tom Cuffney.
Tom Cuffney
U.S. Geological Survey
3916 Sunset Ridge Rd.
Raleigh, NC 27607
voice: (919) 571-4019
fax: (919) 571-4041
email: tcuffney@usgs.gov
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