Hi, Suppose I have a collection of sets of numbers, lets say that each set has twenty five numbers in it (one for each day in a twenty five day period). Lets say I have 200 of these sets. Are there any statistical methods which will help me to identify trends in the data which can predict (based on my existing sets) whether a new sets number on the 25th day day will be lower than on the first day? For instance, suppose I am on the fifth day. Can I calculate a percentage chance that my last day will be lower than the first based on the number of observations I have so far? Any guidance on methods that would point me in the right direction would be much appreciated. I'm using base SAS to analyze my datasets. Thanks Brian
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