comparing

  1. D

    Comparing whether there is a significant difference between 3 numbers. Help please!!

    Hi, So I have lots of participants for whom I have created a score for on three levels. For each participant, I am trying to find out whether there is a significant difference between the three numbers. I was thinking a one way ANOVA but as I'm doing one participant at a time, I'm not if this...
  2. R

    How can I compare two bootstrap-generated distributions?

    Hi everyone, I've generated variability around my single endpoint value with the bootstrap method (endpoint = intrinsic growth rate "r" ). I've done this for my control and my treatments. Now, how can I compare these distribution so that I can tell if this endpoint is statistically...
  3. E

    Should I use a two sample or paired t.test?

    Hello, I´ve just wanted to post one simple question. I am comparing the removed area through endonasal approach in left or right side. It means, the question to answer whether the removed area depends on the side. So, I have 15 studied cases with 15 measurements for left side and 15...
  4. K

    Indexing of data to make it comparable

    Hi everybody, I am a new STATA user and I would need to create an index. I have values per month for two products. I would like to make their development comparable in a graph. Both graph lines should start with 100. Such as in this picture...
  5. C

    Appropriate test for two variables

    Hello, This is my first time posting here, so forgive me if I don't include something. I will follow this post and add more information as needed. I want to compare two samples, one is a city, and another is a neighborhood in that city, for the same disease. I have the population size...
  6. A

    Comparing PCA to multiple regression.

    Dear all, I would appreciate any help on this question. I have been asked to compare the results of PCA to multiple regression. I ve been given 10 variables. For the PCA, i am expected to regress the 3 components that result after the dimension reduction process, and for the multiple...
  7. A

    Complex comparison of dependent effect sizes

    Hi everyone, I am new to this forum, and still figuring out how to navigate the site. So, I apologize if this question has already been asked. In short, I am attempting to compare two dependent effect sizes. To be more detailed, I have two sets of repeated measures. At Time 1, all...