[R] to build a data.frame

[Arnaud Michel]

Hello

I have the following dataframe

df <- data.frame(
Project=c("Abaco","Abaco","Abac","Abaco","Abaco","Abaco",
"Abaco","Adaptclone","Adaptclone","Adaptclone","Adaptclone","Adaptclone",
"Adaptclone","Adopt","Adopt","Adopt"),

Country=c("Zimbabwe","Burkina Faso","South Africa","Madagascar","Tanzania",
"Mali","Mozambique","Madagascar","Ghana","Nigeria","Kenya","Burkina Faso",
  "South Africa","Tanzania","Kenya","Ethiopia" ),

Iso=c("ZW","BF","ZA","MG","TZ","ML","MZ","MG","GH","NG","KE","BF",
  "ZA","TZ","KE","ET"))

I would like to build a other dataframe with name Country
where column 1 is country,
the column 2 is number of project (in the country)
the column 3 is the code Iso (wich correspond with the country : Ex ZW 
is ISO of Zimbabwe)
       Pays        PaysIso  NbrProj
    Zimbabwe      ZW       1
  Burkina Faso    BF        2


I know associate Country and Number of projets but how associate Iso

Any idea ?
Thank you for your help

-- 
Michel ARNAUD
Chargé de mission auprès du DRH
DGDRD-Drh - TA 174/04
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