Hi @medianp,
just tested the plugin on a local network install and it works.
There is just a little count error (missing arg 2) in one of the file.
To solve this, add $count at the end of line 107 in bp-community-stats.php
$count = $wpdb->get_var( $wpdb->prepare( "SELECT count(a.id) FROM {$bp->activity->table_name} a WHERE type = 'activity_update' AND a.component = '{$bp->activity->id}'", $count ) );
Plugin author warned: Total Posts and Comments not support in multisite/network mode
Search the WP plugin repo to get the missing stats.
