Generate alternate saturday dates list within range in R












0












$begingroup$


library(tidyr)
d = seq(as.Date("2018-01-01"),Sys.Date()+365,by='day')
saturdayList = d[weekdays(d)=='Saturday']

altSaturdayList = data.frame(lapply(split(saturdayList, format(saturdayList, "%Y-%m")), function(x)
na.omit(x[c(2,4)])))

altSaturdayList = subset(gather(altSaturdayList),select = c(value))
HolidayList = rbind(HolidayList, setNames(altSaturdayList, "Holidays"))
HolidayList = rbind(HolidayList, setNames(as.data.frame(as.Date("2018-11-06")), "Holidays"))
HolidayList = arrange(unique(HolidayList),Holidays)

rm(d)
rm(saturdayList)
rm(altSaturdayList)


The above code generates a list of dates which contain 2nd and 4th saturday of every month within that date range.



As you can tell I have generated and deleted intermediate variables like d, saturdayList and altSaturdayList. I was wondering how I can make this code better and efficient?



I learned about %>% operator but I don't know how I can do it with no input.



Any tips to improve the code is welcomed. Thanks










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$endgroup$

















    0












    $begingroup$


    library(tidyr)
    d = seq(as.Date("2018-01-01"),Sys.Date()+365,by='day')
    saturdayList = d[weekdays(d)=='Saturday']

    altSaturdayList = data.frame(lapply(split(saturdayList, format(saturdayList, "%Y-%m")), function(x)
    na.omit(x[c(2,4)])))

    altSaturdayList = subset(gather(altSaturdayList),select = c(value))
    HolidayList = rbind(HolidayList, setNames(altSaturdayList, "Holidays"))
    HolidayList = rbind(HolidayList, setNames(as.data.frame(as.Date("2018-11-06")), "Holidays"))
    HolidayList = arrange(unique(HolidayList),Holidays)

    rm(d)
    rm(saturdayList)
    rm(altSaturdayList)


    The above code generates a list of dates which contain 2nd and 4th saturday of every month within that date range.



    As you can tell I have generated and deleted intermediate variables like d, saturdayList and altSaturdayList. I was wondering how I can make this code better and efficient?



    I learned about %>% operator but I don't know how I can do it with no input.



    Any tips to improve the code is welcomed. Thanks










    share|improve this question







    New contributor




    newguy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.







    $endgroup$















      0












      0








      0





      $begingroup$


      library(tidyr)
      d = seq(as.Date("2018-01-01"),Sys.Date()+365,by='day')
      saturdayList = d[weekdays(d)=='Saturday']

      altSaturdayList = data.frame(lapply(split(saturdayList, format(saturdayList, "%Y-%m")), function(x)
      na.omit(x[c(2,4)])))

      altSaturdayList = subset(gather(altSaturdayList),select = c(value))
      HolidayList = rbind(HolidayList, setNames(altSaturdayList, "Holidays"))
      HolidayList = rbind(HolidayList, setNames(as.data.frame(as.Date("2018-11-06")), "Holidays"))
      HolidayList = arrange(unique(HolidayList),Holidays)

      rm(d)
      rm(saturdayList)
      rm(altSaturdayList)


      The above code generates a list of dates which contain 2nd and 4th saturday of every month within that date range.



      As you can tell I have generated and deleted intermediate variables like d, saturdayList and altSaturdayList. I was wondering how I can make this code better and efficient?



      I learned about %>% operator but I don't know how I can do it with no input.



      Any tips to improve the code is welcomed. Thanks










      share|improve this question







      New contributor




      newguy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.







      $endgroup$




      library(tidyr)
      d = seq(as.Date("2018-01-01"),Sys.Date()+365,by='day')
      saturdayList = d[weekdays(d)=='Saturday']

      altSaturdayList = data.frame(lapply(split(saturdayList, format(saturdayList, "%Y-%m")), function(x)
      na.omit(x[c(2,4)])))

      altSaturdayList = subset(gather(altSaturdayList),select = c(value))
      HolidayList = rbind(HolidayList, setNames(altSaturdayList, "Holidays"))
      HolidayList = rbind(HolidayList, setNames(as.data.frame(as.Date("2018-11-06")), "Holidays"))
      HolidayList = arrange(unique(HolidayList),Holidays)

      rm(d)
      rm(saturdayList)
      rm(altSaturdayList)


      The above code generates a list of dates which contain 2nd and 4th saturday of every month within that date range.



      As you can tell I have generated and deleted intermediate variables like d, saturdayList and altSaturdayList. I was wondering how I can make this code better and efficient?



      I learned about %>% operator but I don't know how I can do it with no input.



      Any tips to improve the code is welcomed. Thanks







      memory-management r






      share|improve this question







      New contributor




      newguy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







      New contributor




      newguy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question






      New contributor




      newguy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked 31 mins ago









      newguynewguy

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      newguy is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






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