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  1. I’ve been surfing on-line greater than 3 hours today, but I by no means found any fascinating article like yours. It is lovely price enough for me. Personally, if all site owners and bloggers made just right content as you probably did, the internet will likely be a lot more helpful than ever before.

  2. Thank you a lot for all this very interesting job !
    I am unable to find such interesting things in SAS in French.
    Would you like tellling me if the method using formats require to the data sets to be sorted ?
    Thanks again.