It's great that there are almost 20,000 R packages and that experts have 
curated the R packages in task views, but the volume of packages is such that 
task view maintainers may limit additions because of time constraints or 
because they don't want the task views to become unwieldy. I suggest that 
keywords, chosen by package authors from an approved list, be allowed in 
package descriptions. The keywords could be the same as task view names (for 
example "timeseries") or they could be more specialized (for example "garch"). 
Users would be able to search packages by keyword. Ideally, all R packages 
would be indexed and discoverable this way.
I maintain a list of time series packages that were not in the task view at the 
time I added them: 
https://github.com/Beliavsky/R-Time-Series-Task-View-Supplement/blob/main/README.md.
 There are almost 130 entries. I also have one for finance: 
https://github.com/Beliavsky/R-Finance-Task-View-Supplement .
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