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Latest Discussions

• What's the difference between JMP and SAS

  I have access to both JMP8.x and SAS9.x.
  
  I searched this forum and the SAS website but didn't find anything.
  Any thoughts on the differences (strengths/weakness) between JMP & SAS?
  
  
  Thanks.

  

  Discussions |

  Jan 21, 2010 1:25 PM

  10545 views | 7 replies

• JMP Partition/Decision tree - Model Selection and Validation with Test Set

  Hi forum members,
  
  I have the following problem. I want to do classification using SAS Jmp Partition.
  The dataset has 2 classes: positive and negative. I wrote a JSL script that loads
  the dataset from file. The test set is defined by excluding a certain amount of rows
  and doing training of the decision tree on the training set (given by all included rows).
  The training is done by hitting the "Go" button...

  

  Discussions |

  Jan 13, 2010 12:48 PM

  11389 views | 1 replies

• How to compare two regression coefficients?

  Hi, i have a data set with:
  2 groups: A and B
  for each case, 2 variables: var1 and var2
  i'd like to compare regression coefficient R2 and R2 (between the 2 groups) for the regression curves: var1=R1*var2 and var2=R2*var2
  
  I know how to obtain R1 and R2 (fit y by x (var2=y and var1=x), group by "group", but I don't know how to compare R& and R2 to say there are not equal (or R1>R2).
  
  Thank's for your help...

  Anonymous

  Discussions |

  Jan 9, 2010 12:32 PM

  11615 views | 4 replies

• Comparing multiple rows in a large table & keeping row with largest value

  Hi Guys-
  
  I am somewhat new to JMP...I have a large 1,000,000+ row table (13 columns) that I need to consolidate in the following way:
  
  I have multiple rows for observations on a single case- (not each case is observed the same number of times- some have 3 observations, some 10). I want to construct a summary table, keeping the observation with the largest values for each unique case.
  
  Thanks!
  
  -t

  leapfrog

  Discussions |

  Jan 8, 2010 3:19 PM

  4850 views | 6 replies

• applying formula to entire jmp data table

  Hi,
  
  I am new to using jmp and sas, so I apologize that this may be a simple question. I have a table with values in it, and I would like to create a new table with the same columns and rows, but with a formula applied to the entire new table. I have thousands of columns, so it is not practical to apply the formula column by column. I would really appreciate any suggestions that anyone could offer.
  
  T...

  

  Discussions |

  Jan 5, 2010 1:10 PM

  4513 views | 6 replies