This looks a lot like homework. However here is a hint ABD1990 <- subset(xx, Year == 1990 & Market == "ABC")
John Kane Kingston ON Canada > -----Original Message----- > From: jowe.tjioe.2...@business.smu.edu.sg > Sent: Sat, 15 Sep 2012 02:22:42 -0700 (PDT) > To: r-help@r-project.org > Subject: [R] how to view only readings of a selected data from a column > while the other columns remain > > Hi Friends > > I am new here and have a problem > > Year Market Winner BID > 1 1990 ABC Apple 0.1260 > 2 1990 ABC Apple 0.1395 > 3 1990 EFG Pear 0.1350 > 4 1991 EFG Apple 0.1113 > 5 1991 EFG Orange 0.1094 > > > For each year and separately for the two markets (i.e.,ABC,EFG), examine > the > combined data for Apple and Pear on the bid price variable BID for > presence > of potential outliers.5 Identify instances where you observe the presence > of > potential outliers. > > I managed to separate the data by year only > > y <- c(1, seq(300)) >> year1991 <- subset(X, y < 39) >> year1991 > Year1991 <- year1991[, c(1,2,3,5)] >> Year1991 > > now I need help on whats the right R command to key to select(View) only > ABC > of the Market COLUMN, which the other column values remains. > > Is it possible to do multiple separation at one time? or step by step > > Kindly advise :) > > > > -- > View this message in context: > http://r.789695.n4.nabble.com/how-to-view-only-readings-of-a-selected-data-from-a-column-while-the-other-columns-remain-tp4643216.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > R-help@r-project.org mailing list > 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. ____________________________________________________________ GET FREE SMILEYS FOR YOUR IM & EMAIL - Learn more at http://www.inbox.com/smileys Works with AIM®, MSN® Messenger, Yahoo!® Messenger, ICQ®, Google Talk™ and most webmails ______________________________________________ R-help@r-project.org mailing list 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.
