dashboard-feedback-for-missing-packages-using-inline-terr

spotfire_alert_missing_packages.TERR

# https://datashoptalk.com/dashboard-feedback-for-missing-packages-using-inline-terr/

# In text area, insert Calculated Value control in <p></p> tag
<h3>Installed Packages</h3>
<p>List of missing required packages for this analysis:</P>
<p>
   <SpotfireControl id="e96d46e334a9400c86485e41f584ff82" />
</p>
<p><b>Note:</b> Field will show Empty if all packages installed.</p>

# In Calculated Value control
MostCommon(TERR_String("list.of.packages <- c('sp','lattice','gstat','zoo',
'spacetime','xts','intervals','FNN','lpSolve')\n 
output <- paste(list.of.packages[!(list.of.packages %in% installed.packages()[,'Package'])],
sep='', collapse=', ')",[arbitrary_column]))