time dependence

  1. B

    T2 hotteling for univariate time series

    Hello, I have to do a comparison between multiple subjects for a drug response variable over time. The variable to analyze is movement and is highly autocorrelated. Movement is measured one time per second. Each subject should be compared to a control. I read in some paper T2 hotteling could...
  2. K

    Measuring dependence over time?

    Hello there, I would like to know what would be the best method to measure the relationship between variables like life expectancy and income over time (years)? In my case I have a time series with around 30 years. I would like to examine if there is a dependence between variables like life...
  3. J

    How do I calculate time dependent covariates in SPSS?

    I am new to survival analysis and would appreciate some help! (I'm from psychology, and my discipline does not tend to conduct survival analysis) At the moment, I am having difficulty calculating time dependent variables in cox regressions. Intro to my data: 7 waves of data V1: event...
  4. K

    Need method for analysing two sets of time course data

    Hello, I have two sets of time course data, they are for an eye-tracking study. The data is 20 100ms chunks, one category being percent fixations for canonical sentences, and the other being percent looks for non-canonical sentences. I would like to curve fit this (I believe the logistic curve...
  5. T

    Selection probability + time variable?

    Greetings statisticians, I seek advice regarding a probability of selection. Here is the scenario: I, living in the US, have a music collection totaling 1000 CDs. A friend, living in Southeast Asia, has a collection totaling 2000 CDs. Given that we have similar musical interests yet live in...
  6. K

    Pseudo-time lapse experiment: repeated measures ANOVA??

    I am measuring disease severity, using 5 different types of measurements, in animals treated with drug X, over multiple timepoints. The measurements can only be made when the animal is dissected. We have 30 animals, all given the same drug X on day 0, and 5 animals are taken down every 2 days...
  7. J

    Time series

    Hello everyone. First, thanks in advance for the help. I am working on an in vitro study to determine the time stability of cells on a microscope slides. The experimental design is as follows: Blood was collected from 10 individuals. This blood was incubated with 6 different...