Awsome! Thanks much steve!
On Jul 30, 9:14 am, Steve Purcell <st...@sanityinc.com> wrote: > On 30 Jul 2010, at 15:03, Base wrote: > > > > > Hi All > > > I have a vector in the following format: > > > [ > > ["M" "3.4" "5.6"] ["L" "4.2" "6.6"] ["L" "4.9" "7.9"] ["L" "1.1" > > "2.4"]["L" "5.4" "4.5"] > > ] > > > I would like to create a vector that contains the max values of each > > of the second and third values from this vector > > > in this case it would be: [5.4, 7.9] > > > The method to do this that i have seen would be to > > 1. Transpose the vector using (apply map vector v) > > 2. Discard the vector of Ms and Ls > > 3 Cast all of the remaining numbers to Float > > 4 Apply Max to each of the vectors. > > > There *has* to be a more elegant way to do this than I have been > > trying. > > Here's my first take: > > (def v [["M" "3.4" "5.6"] ["L" "4.2" "6.6"] ["L" "4.9" "7.9"] ["L" "1.1" > "2.4"]["L" "5.4" "4.5"]]) > > (->> v > (map rest) > (apply map (fn [& vals] > (apply max (map #(Float/parseFloat %) vals))))) > > => (5.4 7.9) > > -Steve -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
