JMP Knowledge Base

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• SAS® data set created by submitting SAS code from JMP® leads to an invalid SAS variable name

  When JMP^® connects to SAS^®, the SAS VALIDVARNAME system option is set to ANY because JMP is more permissive with respect to column names. This can cau...

  Wendy_Murphrey

  JMP Knowledge Base |

  Nov 30, 2022 1:36 PM

  338 views | 0 replies

• How to add a Graphics Script using a variable within a For() loop

  Overview The following example demonstrates how you can use a variable in a Graphics Script whose value changes over iterations of a For() loop. To ma...

  Wendy_Murphrey

  JMP Knowledge Base |

  Nov 30, 2022 1:36 PM

  640 views | 0 replies

• How to dynamically populate a ComboBox based upon user selection

  Overview This example demonstrates how you can dynamically populate a ComboBox with options that are relevant to a user selection made in a previous L...

  Wendy_Murphrey

  JMP Knowledge Base |

  Nov 30, 2022 1:36 PM

  524 views | 0 replies

• Corrupt Java Runtime Environment error when connecting to a remote SAS® Server

  Java Runtime Environment (JRE) is not included as part of the installation of SAS^® Visual Data Discovery for Desktop, JMP^® Genomics, nor JMP^® Clinica...

  Wendy_Murphrey

  JMP Knowledge Base |

  Nov 30, 2022 1:36 PM

  712 views | 0 replies

• Missing values in SAS® datasets might be imported incorrectly

  When connecting to local SAS^® using a 64-bit version of JMP^®, the 64-bit SAS 9.4 IOM OLE DB provider used to import SAS datasets will import missing d...

  Wendy_Murphrey

  JMP Knowledge Base |

  Nov 30, 2022 1:36 PM

  381 views | 0 replies

• How to select rows based upon multiple conditions using a JMP® script

  Overview The following examples demonstrate how you can use the logical AND (&) and OR (|) operators with the Select Where message to select rows that...

  Wendy_Murphrey

  JMP Knowledge Base |

  Nov 30, 2022 1:36 PM

  1305 views | 0 replies

• What is the difference between a response surface design generated using the Custom Design platform as compared to the Response Surface platform?

  The Custom Design platform generates D-Optimal and I-Optimal designs. While the Response Surface platform generates the Classical Response Surface Des...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:36 PM

  284 views | 0 replies

• What is the difference between Minimum and Default Number of Runs in the Custom Design Platform in JMP®?

  When using the Custom Design platform in JMP, after you define the factors in your design, you may specify the model terms of interest (for example ma...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:36 PM

  482 views | 0 replies

• How to use a variable value in a formula

  If you use a global variable in your column formula, the formula might function normally in your current session of JMP^®, but when re-opening the appl...

  Wendy_Murphrey

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  679 views | 0 replies

• When fitting a model with random effects, are the effects tested correctly?

  When fitting a model with random effects using the expected mean squares method, JMP^® tests the effects correctly. The "Test Denominator Synthesis" ou...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  366 views | 0 replies

• Why does JMP® center polynomials in models by default?

  Centering polynomials helps to reduce the collinearity in a model that has interaction and higher order terms. If you do not use centered polynomials,...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  844 views | 0 replies

• Why are the parameter estimates I see in JMP® different from the GLM procedure in SAS®?

  Differences between SAS^® and JMP^® are due to different parameterizations and algorithms used to calculate the statistics. The JMP algorithm is computa...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  434 views | 0 replies

• How does JMP® pick the initial cluster seeds in K-Means Clustering?

  JMP^® uses the same seed selection method as the SAS^® FASTCLUS procedure, with METHOD=FULL on the initial seeding. Generally, this method starts at obs...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  399 views | 0 replies

• What is the Specified Sigma option in capability analysis, and how is the default value calculated?

  Specified sigma allows the user to enter a specific, known sigma used for computing capability analyses. Sigma is user–specified and is not computed. ...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  396 views | 0 replies

• My Nonlinear model is not converging. Why?

  Convergence might not be attained under certain conditions. These may include the following: incorrect specification of the modelpoor initial starting...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  625 views | 0 replies

• When I run my model through the Fit Model platform, I see "LostDFs" in the Effect Test report and "Biased" and "Zeroed" parameter estimates. Why?

  These notes usually indicate one or more linear dependencies in the design. That is, a linear combination of one or more factors can exactly duplicate...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  401 views | 0 replies

• If I change my columns from ordinal to nominal or vice versa, my parameter estimates do not match. Why?

  This is due to the different parameterizations JMP^® uses for the two column types. See the discussion of Nominal Factors and Ordinal Factors in the JM...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  336 views | 0 replies

• How are control limits calculated for the different moving average control charts?

  EWMA Charts: The following notation is used for the formulas:
  
  You can compute the limits in the following ways: as a specified multiple (k) of the st...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  908 views | 0 replies

• I have categorical effects in my Stepwise Regression model, and I don't understand how JMP® is performing the analysis. Is there any information on this?

  Information on Stepwise Regression models containing nominal and/or ordinal effects can be found in the JMP^® Fitting Linear Models documentation. In t...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  232 views | 0 replies

• When I run nominal or ordinal logistic regression in JMP®, some parameter estimates are labeled "Unstable." Why?

  This is a common issue caused by some parameters in the model becoming theoretically infinite. It can happen when the model perfectly predicts the res...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  899 views | 0 replies

• How are the crossvalidation statistics defined in Partition?

  The k-fold crossvalidation method randomly divides all of the (non-excluded) rows in the datatable, D, into k subsets: D₁, D₂, . . . , D_k. Each row is...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  277 views | 0 replies

• How do I generate Multivariate Normal data within JMP®?

  The script entitled MVN.jsl attached can generate multivariate normal data. Simply supply the variance covariance matrix, a vector of means, and the d...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  748 views | 0 replies

• How are the confidence limits calculated for the linearity study in JMP®?

   
  where:   = the critical value of T     = the number of levels for the Standard variable   = the sum of the number of levels for the standard d...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:35 PM

  281 views | 0 replies

• Execution of an analytical process in JMP Genomics may generate error regarding script

  When executing analytical processes in a new installation of JMP Genomics, an error similar to this may occur: Script does not exist: /C:/Documents a...

  Wendy_Murphrey

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  77 views | 0 replies

• How is the standard deviation calculated for different Shewhart control charts?

  XR Charts   In an XBar chart that uses the R option, the value for sigma is computed as: where:
  R_i = range of ith subgroup n_i = sample size of the it...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  1023 views | 0 replies