DataFormats»Net Draw Vna

Net Draw Vna

The vna format is bascially and edgelist format. It allows inclusion of user defined attributes attached to nodes or ties. The file is divided into sections using astrix headers, each section begins with a list of column names, data within the section is in space delimited columns.

A complete description of the vna format can be found on the Netdraw manual at: http://www.analytictech.com/Netdraw/NetdrawGuide.doc

NetDraw is a free program written by Steve Borgatti

Short Example

( from the net draw manual)


 
*Node data
ID gender role betweenness
 HOLLY female participant 78.33333588
 BRAZEY female participant 0
 CAROL female participant 1.333333373
 PAM female participant 32.5
 PAT female participant 39.5
 JENNIE female participant 6.333333492
 PAULINE female participant 12.5
 ANN female participant 0.5
 MICHAEL male participant 58.83333206
 BILL male participant 0
 LEE male participant 5
 DON male participant 16.33333397
 JOHN male participant 0
 HARRY male participant 2.333333254
 GERY male instructor 54.66666794
 STEVE male instructor 16.83333397
 BERT male instructor 13.66666698
 RUSS male instructor 47.33333206
*Node properties
ID x y color shape size shortlabel
HOLLY 1160 271 255 1 10 HOLLY
BRAZEY 1214 577 255 1 10 BRAZEY
CAROL 671 612 255 1 10 CAROL
PAM 985 127 255 1 10 PAM
PAT 802 402 255 1 10 PAT
JENNIE 729 187 255 1 10 JENNIE
PAULINE 69 590 255 1 10 PAULINE
ANN 877 818 255 1 10 ANN
MICHAEL 182 224 255 1 10 MICHAEL
BILL 380 137 255 1 10 BILL
LEE 617 44 255 1 10 LEE
DON 281 656 255 1 10 DON
JOHN 617 839 255 1 10 JOHN
HARRY 382 410 255 1 10 HARRY
GERY 1051 706 255 1 10 GERY
STEVE 64 394 255 1 10 STEVE
BERT 348 812 255 1 10 BERT
RUSS 1176 426 255 1 10 RUSS
*Tie data
from to friends strength
HOLLY PAM 1 1
PAT HOLLY 1 2
PAULINE PAT 1 2
JOHN RUSS 1 3
HARRY HOLLY 1 2
HARRY MICHAEL 1 1
BERT RUSS 1 3
RUSS GERY 1 1
RUSS STEVE 1 3
RUSS BERT 1 2
HOLLY BRAZEY 0 7
HOLLY CAROL 0 17
BRAZEY PAULINE 0 7
BRAZEY ANN 0 6
BRAZEY MICHAEL 0 15
PAM MICHAEL 0 9
PAM BILL 0 16
PAM LEE 0 13
JENNIE BRAZEY 0 8
PAULINE JENNIE 0 5
PAULINE ANN 0 4
ANN PAT 0 7
ANN MICHAEL 0 9
BILL LEE 0 10
DON ANN 0 12