ORA Help File
ORA (the Organizational Risk Analyser) is a tool for analyzing social
and organizational data.
ORA uses meta-matrix data for
input. A meta matrix is defined by a set of nodes, and the
connections between them. There are four types of nodes: agents
(people), knowledge, tasks, and resources.
Setting
up an organization
To
use ORA first you must provide input files to ORA for analysis.
You can provide one file which contains an entire meta-matrix, or you
can provide each individual sub-matrix as a seperate file.
To specify the meta-matrix as one file, click "Organization1" under
"Enter Organization Parameters" in the upper-right panel. Then in the
upper-right panel click the "Select" button and specify the file
location. The file must be in dynetml or dl format.
To specify individual sub-matrix files, click on the desired sub-matrix
(Agent x Agent, Resource x Task, etc) in the upper-right panel.
Then in the upper-left panel click the "Select" button and specify the
file location. The file must be in raw, dl, or ucinet format.
Running an ORA
analysis
To
run an analysis, you must first set up your organization as described
above. Then from
the
menubar, click on “Run” and then, click on “Generate Results.” Now, the Output Panel pops up at the center
of the screen. You have two options in
the Output Panel. You can generate a
report on one organization, or you can compare two organizations.
There are currently four report types available:
- Risk Categories
- This report gives graph-level measures and node-level measures.
The top five actors are given for selected measures. Values for
all node-level measures for all agents are given in the Agent Report
section.
- Intelligence
- This report gives graph-level measures and node-level
measures. The top five actors and organizations are given for
selected measures. A context report compares this
organization to a random network, and a database of known social
networks.
- Context
- The context report compares the given organization to a random
network, and a database of known social networks, for a selected set of
measures.
- Sub-Group
- The sub-group report runs various algorithms to find sub-groups
(or clusters) within your organization. The algorithms are
Newman's clustering algorithm, clique analysis, and CONCOR stuctural
equivalence.
To run measures on a single organization:
1.
Under
“Select
Simulation Type,” click on “Single Organization” (enabled by
default)
2.
Next to
the “Choose
first Organization” label, there is a list of Organizations that you
have set
up. Choose one from the list.
3.
Select
format(s) for
output.
4. Select a report type.
5.
Specify
location for
output file (to be created by ORA), without extension, by typing in the
text
box or using the file chooser
6.
Now, click on
“Generate.” In a few seconds (after
ORA.exe runs on the organization you have
specified), a dialog box will pop up, giving you the output status for
the
simulation.
7. The output
will be stored in the files you specified, as well as in the "Results"
panel in the lower-left corner of the screen.
To compare two organizations:
1.
Under
“Select
Simulation Type,” click on “Compare Two Organizations.”
Now, the “Choose second organization” label
and the accompanying list will be enabled.
2.
Choose
two
organizations for comparison, using the lists shown in the Output Panel.
3.
Select
format(s) for
output.
4.
Specify
location for
output file (to be created by ORA), without extension, by typing in the
textbox
or using a file chooser.
5.
Now,
click on
“Generate.” In a few seconds (after
ORA.exe runs on the organizations you have specified), a dialog box
will pop
up, giving you the output status for the comparison.
6. The output
will be stored in the
files you specified, as well as in the "Results" panel in the
lower-left corner of the screen.
Running the
optimizer
Now
that you have set
up an organization, you can run the optimizer on the Organization. From the menubar, click on “Tools” and then
click on “Optimizer.” The optimizer
wizard will now pop up at the center of the screen.
Set up the optimizer values, using the “Next” buttons to
navigate
between panels.
When
you reach the
“Output Setup” panel, specify a location for the data file (which will
be
created by the optimizer), without specifying an extension. Check the “Verbose” checkbox and click on
‘Next.’
In
step 2 of the
Output Setup, you will specify network location(s) for output—this can
be
either a metamatrix OR one or more networks.
In either case, specify file location(s) without extensions
(files with
appropriate extensions will be created by the optimizer).
And then, click on ‘Next.’
In the last panel of the
optimizer, you can choose to add the optimized version as an
organization
to the simulation, using the checkbox – this will enable you to run
comparisons
between the original organization and its optimized form, using ORA. Now, click on “Generate.”
Wait for a few seconds for optimizer.exe to
complete its run. A dialog will pop up
at the end of the run.
Viewing Results
Once you have generated results, you
can view the results in text format in the "Results" panel in the
lower-left corner.
You can use the Chart tool to view agent-level measures as bar charts
and scatter plots.
To use the Chart tool, select Tools->Charts from the menu.
Then under Select Input, click "Select Results File" and select an ORA
results file in XML format. (a results file is the file you get
after running an ORA analysis).
To view a bar chart, select the "Bar Chart" tab, and choose a measure
to display from the drop-down box.
To view a scatter plot, click the "Scatter Plot" tab. Then select
a measure for the x-axis, and a measure for the y-axis, and click
"Create Plot". The scatter plot will be displayed, with the
best-fit line displayed in blue.
To save an image of either chart, right-click the chart and select
"Save As...". The file will be saved in .png format.
The Matrix Editor
The matrix editor can be used to edit
the values of a meta-matrix file. To open the matrix editor,
select Tools->Matrix Editor from the menus, or to edit a file you
have already loaded into the interface, click the matrix editor button
in the upper-right panel for the matrix file you want to edit.
For more information, visit the ORA web page:
http://www.casos.ece.cmu.edu/projects/ORA/software.html
Contact
Info:
Jeff Reminga
-- reminga@cs.cmu.edu