JMP Knowledge Base

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• 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

  230 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

  894 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

  276 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

  741 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

  277 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

  1009 views | 0 replies

• Is the Mann-Whitney U Test Available in JMP®?

  Yes. It is equivalent to the Wilcoxon 2-sample (or Kruskal Wallis k-sample) Test. This is obtained from the Fit Y by X platform by fitting a continuou...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  2708 views | 0 replies

• Can I get the medians for by-groups in JMP®?

  Yes. This is easily obtained by selecting Tables ► Summary and choosing your by-group and the median statistic for the variable (column) of interest. ...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  1056 views | 0 replies

• Are standardized regression coefficients available in JMP®?

  Yes. In the Fit Model output, right-click within the Parameter Estimates table and choose Columns ► Std Beta. [Previously JMP Note 36009]

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  851 views | 0 replies

• Can I get Greenhouse-Geisser and Huynh-Feldt adjusted F-tests in JMP®?

  Yes. Use the "Manova" fitting personality in the Fit Model platform with multiple response columns. In the Response Specification section of the resul...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  296 views | 0 replies

• Can I get Kurtosis and Skewness statistics in JMP®?

  Yes. From the Analyze ► Distribution window, choose a column of interest. In the output window, select Display Options ► Customize Summary Statistics ...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  1862 views | 0 replies

• Match function may not work as expected if matching with numeric continuous values

  The Match function is typically used with categorical or ordinal values. It is possible to use numeric continuous values, but because of numeric preci...

  Wendy_Murphrey

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  102 views | 0 replies

• How is the standard deviation calculated for the different moving average control charts in JMP®?

  EWMA and UWMA Charts The estimate for σ is
  where N is the number of subgroups for which n_i≥2, s_i is the standard deviation of the i ^th subgroup
  and ...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  541 views | 0 replies

• How do I create a design with a continuous factor that has more than two levels in JMP®?

  In the Custom Design platform, you can create a continuous factor with more than two levels in one of two ways: 1. Leave the factor in the design as a...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  868 views | 0 replies

• How do I create a two-way (aka multi-way) analysis of variance (ANOVA) in JMP®?

  A two-way (or multi-way) ANOVA can be done using the Fit Model platform. The response (or dependent) variable must have the continuous modeling type. ...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  3879 views | 0 replies

• How do I change the level of the event modeled in JMP®’s logistic regression?

  By default, JMP^® models the lower ordered level as the event. The Target Level column property can be used to reverse the order of the levels. Highlig...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  390 views | 0 replies

• How do I interpret the Shapiro-Wilk test for normality in JMP®?

  The Shapiro-Wilk test for normality is available when using the Distribution platform to examine a continuous variable. The null hypothesis for this t...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  46102 views | 0 replies

• Is there a way to rank a column in my data table in JMP®?

  Yes. Select Analyze ► Distribution. When the results window appears, click on the inverted red triangle menu next to the column name and select Save ►...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  727 views | 0 replies

• How do I interpret the saved spline coefficients table in JMP®?

  The coefficients are the A (intercept), B (linear), C (quadratic), and D (cubic) coefficients for the variable (x-O), where O is the variable for the ...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  350 views | 0 replies

• Can I get a pdf plot in JMP®?

  Yes. Go to the Analyze menu and choose the Distribution platform. Specify a continuous Y column. Next, from the red triangle menu in the output window...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  390 views | 0 replies

• Can I get the process capability index CPK in JMP®?

  Yes, JMP^® does produce the process capability index, CPK. From within the Distribution output, select Capability Analysis from the column's red triang...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  1936 views | 0 replies

• How do I get Squared Partial Correlation and/or Squared Semi-partial Correlation Coefficients in JMP®?

  Squared Partial Correlation and/or Squared Semi-partial Correlation Coefficients in the context of this article describe how much a predictor adds to ...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  1014 views | 0 replies

• Can I get discriminant function scores or function coefficients in JMP®?

  Yes. Discriminant analysis is available with the Analyze ► Multivariate Methods ► Discriminant menu selection. To get the discriminant scores, select ...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  365 views | 0 replies

• Can I get Cronbach's coefficient alpha from JMP®?

  Yes. Choose Analyze ► Multivariate Methods ► Multivariate, specify your continuous columns in the dialog box corresponding to the Y,Columns Role, and ...

  sseligman

  JMP Knowledge Base |

  Nov 30, 2022 1:34 PM

  1529 views | 0 replies