Notice: Undefined index: hour in ga_stats_ga_timeframes() (line 98 of /home/local/sites/all/modules/ga_stats/inc/ga.inc).
Notice: Undefined index: today in ga_stats_ga_timeframes() (line 98 of /home/local/sites/all/modules/ga_stats/inc/ga.inc).
Notice: Undefined index: 2days in ga_stats_ga_timeframes() (line 98 of /home/local/sites/all/modules/ga_stats/inc/ga.inc).
Notice: Undefined index: week in ga_stats_ga_timeframes() (line 98 of /home/local/sites/all/modules/ga_stats/inc/ga.inc).
Notice: Undefined index: month in ga_stats_ga_timeframes() (line 98 of /home/local/sites/all/modules/ga_stats/inc/ga.inc).
Notice: Undefined index: forever in ga_stats_ga_timeframes() (line 98 of /home/local/sites/all/modules/ga_stats/inc/ga.inc).
Notice: Undefined index: pageviews in ga_stats_ga_metrics() (line 60 of /home/local/sites/all/modules/ga_stats/inc/ga.inc).
Notice: Undefined index: uniquePageviews in ga_stats_ga_metrics() (line 60 of /home/local/sites/all/modules/ga_stats/inc/ga.inc).
Notice: Undefined index: avgTimeOnPage in ga_stats_ga_metrics() (line 60 of /home/local/sites/all/modules/ga_stats/inc/ga.inc).
Notice: Undefined index: entrances in ga_stats_ga_metrics() (line 60 of /home/local/sites/all/modules/ga_stats/inc/ga.inc).

This is what I've got after ga-stats installation.

The module idea is very usefull! Hope it comes stable soon!