Make sure to use the aggregate function file indicated in the image below. Aggregate function files can be found in sci2/sampledata/scientometrics/properties.
|If you are using a current format (2014 or later) NSF dataset, use a comma in the Text Delimiter field for all algorithms that ask for it, instead of the pipe used in the older format NSF files.|
Select the "Extracted Network on Column All Investigators" network and run 'Analysis > Networks > Network Analysis Toolkit (NAT)' to reveal that there are 13 nodes and 28 edges without isolates in the network. Click on "Extracted Network on Column All Investigators" and select 'Visualization > Networks > GUESS' to visualize the resulting Co-PI network. Select 'GEM' from the layout menu.