user=> (def a (group-by first [[1 0.5] [1 0.7] [2 1.0] [3 0.1] [3 0.1]])) #'user/a user=> (for [[k vs] a] [k (apply + (map second vs))]) ([1 1.2] [2 1.0] [3 0.2])
On Thu, Mar 19, 2015 at 3:41 PM, Alex <[email protected]> wrote: > Hello everybody, > > How to transform sequence > > *[[1 0.5] [1 0.7] [2 1.0] [3 0.1] [3 0.1]]* > > to > > *[[1 1.2] [2 1.0] [3 0.2]]* > > ? > > Best regards, > Alex > > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to [email protected] > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en > --- > You received this message because you are subscribed to the Google Groups > "Clojure" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to [email protected] Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
