You cannot apply vectorized operators to list columns... you have to use a map function like sapply or purrr::map_lgl to obtain a logical vector by running the function once for each list element:
sapply( VPN_Sheet1$HVA, is.numeric ) On September 14, 2021 8:38:35 PM PDT, Gregg Powell <g.a.pow...@protonmail.com> wrote: >Here is the output: > >> str(VPN_Sheet1$HVA) >List of 2174 > $ : chr "Email: f...@fffffffffff.com" > $ : num 1 > $ : chr "Eloisa Libas" > $ : chr "Percival Esquejo" > $ : chr "Louchelle Singh" > $ : num 2 > $ : chr "Charisse Anne Tabarno, RN" > $ : chr "Sol Amor Mucoy" > $ : chr "Josan Moira Paler" > $ : num 3 > $ : chr "Anna Katrina V. Alberto" > $ : chr "Nenita Velarde" > $ : chr "Eunice Arrances" > $ : num 4 > $ : chr "Catherine Henson" > $ : chr "Maria Carla Daya" > $ : chr "Renee Ireine Alit" > $ : num 5 > $ : chr "Marol Joseph Domingo - PS" > $ : chr "Kissy Andrea Arriesgado" > $ : chr "Pia B Baluyut, RN" > $ : num 6 > $ : chr "Gladys Joy Tan" > $ : chr "Frances Zarzua" > $ : chr "Fairy Jane Nery" > $ : num 7 > $ : chr "Gladys Tijam, RMT" > $ : chr "Sarah Jane Aramburo" > $ : chr "Eve Mendoza" > $ : num 8 > $ : chr "Gloria Padolino" > $ : chr "Joyce Pearl Javier" > $ : chr "Ayza Padilla" > $ : num 9 > $ : chr "Walfredson Calderon" > $ : chr "Stephanie Anne Militante" > $ : chr "Rennua Oquilan" > $ : num 10 > $ : chr "Neil John Nery" > $ : chr "Maria Reyna Reyes" > $ : chr "Rowella Villegas" > $ : num 11 > $ : chr "Katelyn Mendiola" > $ : chr "Maria Riza Mariano" > $ : chr "Marie Vallianne Carantes" > $ : num 12 > >‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ > >On Tuesday, September 14th, 2021 at 8:32 PM, Jeff Newmiller ><jdnew...@dcn.davis.ca.us> wrote: > >> An atomic column of data by design has exactly one mode, so if any values >> are non-numeric then the entire column will be non-numeric. What does >> > >> str(VPN_Sheet1$HVA) >> > >> tell you? It is likely either a factor or character data. >> > >> On September 14, 2021 7:01:53 PM PDT, Gregg Powell via R-help >> r-help@r-project.org wrote: >> > >> > > Stuck on this problem - How does one remove all rows in a dataframe that >> > > have a numeric in the first (or any) column? >> > > >> > > Seems straight forward - but I'm having trouble. >> > > >> > I've attempted to used: >> > > >> > VPN_Sheet1 <- VPN_Sheet1[!is.numeric(VPN_Sheet1$HVA),] >> > > >> > and >> > > >> > VPN_Sheet1 <- VPN_Sheet1[!is.integer(VPN_Sheet1$HVA),] >> > > >> > Neither work - Neither throw an error. >> > > >> > class(VPN_Sheet1$HVA) returns: >> > > >> > [1] "list" >> > > >> > So, the HVA column returns a list. >> > > >> > > Data looks like the attached screen grab - >> > > >> > > The ONLY rows I need to delete are the rows where there is a numeric in >> > > the HVA column. >> > > >> > > There are some 5000+ rows in the actual data. >> > > >> > > Would be grateful for a solution to this problem. >> > > >> > How to get R to detect whether the value in column 1 is a number so the >> > rows with the number values can be deleted? >> > > >> > > Thanks in advance to any and all willing to help on this problem. >> > > >> > > Gregg Powell >> > > >> > > Sierra Vista, AZ >> > >> -- >> > >> Sent from my phone. Please excuse my brevity. -- Sent from my phone. Please excuse my brevity. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
