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Latest Discussions

• Operating on selected rows

  Hello Everyone,Is it possible for me to operate a function on selected rows without using the FOR loop. For examplek = dt<< Get Rows Where (pt:Parameter = ot:Parameter);For (i=1,i<= Nrow(k),i++,pt:value[k] = pt:value[k]/5;   // I want the value of selected rows only to be divided by 5.);
  Is it possible for me to rewrite the code without using simple JMP function for it ? I dont like using too many ...

  akash_nigam_gma

  Discussions |

  Jan 11, 2016 5:49 AM

  10577 views | 6 replies

• Misclassification rate, who is right?

    Hi! JMP fans and experts  In Logistic regression, partition and Neural Network model cmparising, Misclassification rate acts as an important measure to determine which model is better or not? In my understanding, Smaller the value of misclassification rate is, better the model will be; however, I was confused by following cases. In the first case, I was told that larger one is better, but in the...

  mujahida

  Discussions |

  Jan 11, 2016 4:54 AM

  20682 views | 1 replies

• counting rows based on values in another column

  I have a column that defines a grouping, like a column called 'gender' that contains the values 'male' and 'female'. I want to know how many rows in the dataset = 'male' and how many rows in the dataset = 'female'.

  dwaterson

  Discussions |

  Jan 8, 2016 6:04 PM

  16717 views | 5 replies

• Calculating Derivatives/Slopes in JMP

  Hello again,I have to columns of data, let's call them x and y.  I want to calculate the center derivative of y with respect to x (dy/dx).  If I am using the center derivative, that means I will be "missing" a point at the beginning and end of the dy/dx column.For example, in row two of dy/dx, I want it to equal dy/dx = y3-y1/x3-x1 and on row three of dy/dx, I want it to equal dy/dx = y4-y2/x4-x2....

  natalie_

  Discussions |

  Jan 8, 2016 10:55 AM

  16184 views | 3 replies

• JLS- Divide Column by a Value

  Hi again,I am writing some script which opens several csv files and joins them; it is working well!In one column, I'd like to divide the values of another column by a value.  I just can't figure it out.  I can do it on the formula editor though, but I don't believe I can use that syntax while scripting.    dt << New Column(".");  //just to create a blank column    dt << New Column("Id(A/mm)");    ...

  natalie_

  Discussions |

  Jan 8, 2016 8:17 AM

  12359 views | 4 replies