Dear GraphVar-users,

We found that in the GraphVar 1.0 update, the function to calculate the clustering coefficient

for binary undirected graphs was accidentally replaced with a function to calculate the number of

triangles around each node. The clustering coefficient, however, is defined as the number of triangles

around each node divided by the number of possible triangles. In other words, the values that were

returned are simply the unscaled form of the binary undirected clustering coefficient.

The functions for calculating the clustering coefficient on weighted network (clustering_coef_wu; clustering_coef_wd)

and the binary clustering coefficient for directed networks (clustering_coef_bd) were not affected.

However, even though the values are thus conceptually related, the number of triangles and the

actual clustering coefficient share only roughly 20% of their variance. Therefore, please

re-run your analyses if you have used the clustering coefficient for binary undirected graphs

with a GraphVar version 1.00, 1.01, or 1.02.