***** To join INSNA, visit http://www.insna.org ***** Hello! Clarifications: > NodeXL can import and append data to an existing data set. Uncheck the menu item "Clear NodeXL workbook first" in the Import menu. > NodeXL Vertex and Edge attributes can be of any data type, although only numeric values are presented in the Autofill Columns feature. Better support for categorical variables is a pending work item. Regards, Marc (for Team NodeXL) On Thu, Jan 20, 2011 at 6:46 PM, Malcolm Alexander < [log in to unmask]> wrote: > I have just finished teaching a course on SNA at the ACSPRI Summer School - > Canberra Australia. This is the tenth time I have done it now. > I have found that NetDraw is the best way to get into some basic network > diagrams - however you need to do this by using the VNA data format > described (briefly) in the NetDraw documentation. > > I have students enter their node data and tie data as separate worksheets > in > an Excel document. This allows you to do all your data cleaning and simple > analyses using the Excel functions. You then copy and paste this > information > into a text (Notepad) file and read it directly into UCINET and/or NetDraw. > > NodeXL utilises almost the same structure for data management - so I am > planning to run it as well as NetDraw. It has different visualisation > potential. > However it is much more limited. A couple of drawbacks I have found: > > 1. NodeXL expects numeric data only for node/ vertex data. Much social > science data is categorical and it is useful to have the labels (e.g. Male > and > Female) immediately visible. NetDraw handles this type of data much better. > > 2. NodeXL will import tie/edge data from another Excel document. When it > does so, however, it wipes out any node/vertex data you had in the NodeXL > template. > > I think the drawing and visualisation possibilities in NodeXL are better > than > NetDraw - and it has an UnDo button - which NetDraw does not. However for > most social science type network dataset I think the VNA format is best for > data management and NetDraw is optimised to produce useful diagrams > quickly. > > > > > _____________________________________________________________________ SOCNET is a service of INSNA, the professional association for social network researchers (http://www.insna.org). To unsubscribe, send an email message to [log in to unmask] containing the line UNSUBSCRIBE SOCNET in the body of the message.