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    What do you know about the LMS software?

    Hi, While I was digging out the scientific literature on the calculation methods of percentile curves, I came up with a software called LMS (V 1.26) and tried to figure out what it is but found nothing useful. Because when I google "LMS" it returns a long list of another LMS (Learning...
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    Minitab Box-Cox Calculated Lambda Value (Why calculated different?)

    Hi, I have faced an issue about calculating the Lambda value of a given dataset. I used Minitab's (v. 19) Box-Cox Transformation and I got a Lambda value. I calculated the Lambda by following the calculation steps prescribed by Cole (1990) (see below) and I had a different Lambda value. What I...
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    How to calculate Lambda?

    Hi everybody, I want to calculate Z value of a one-variable dataset by using LMS method and I will use the formula attached as a jpeg. I can't figure out how to calculate the Lambda value in the formula. Can anyone please help with how to calculate Lambda value for a one-variable dataset? (I...
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    N>30, or not! This is the question!

    Hi, I am very confused about how to select the appropriate statistical method (parametric or not) by considering N number in the dataset. Some references say that if the N number is below 30, parametric tests cannot be used but some others say that it is not necessary to reach 30 subjects to...
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    Probably A Very Simple Question (but I am not able to figure it out)

    I have a data set in SPSS that has two columns. In the first column, I have Male and Female variables coded as 1 and 2. In the second column, I have 6 variables, say prescribed medicine brands by the doctor, coded 1 thru 6. What I want to figure out is if there is a significant difference in...