packages   S V S_Old   S_New V_Old  V_New 
 DART         * OK      OK    1.0    1.1   
 gstudio      * OK      OK    0.1    0.2   
 rfPermute    * OK      OK    1.0    1.0.1 
 caschrono  *   OK      ERROR 1.2    1.2   
 psychotree *   WARNING OK    0.11-1 0.11-1
 data.table * * OK      ERROR 1.6.4  1.6.5 
 openair    * * WARNING OK    0.4-23 0.5-2 
 ISOweek    * * <NA>    OK    <NA>   0.6.0