1. A

    Ordinal logistic regression - How to get a single scoring function?

    Hi all, I'm running ordinal logistic regressions, with adjacent-category logits. The dependent variable has four ordered levels. So I have 3 logit equations, i.e. 3 linear predictors. I'm wondering whether it is possible to get a single scoring function by aggregation of the 3 linear...
  2. A

    [Linear Regression] Regression with aggregated or separated years?

    Hello to everyone! :wave: I should do some regressions but i've an important and simple question... my dataset have this structure: |geographic_area|year|sales|popolation| Spain 2000 40 1000 Spain 2001 30 2000 Spain 2002...
  3. J

    Individual vs. Team Aggregated Data

    I have a set individuals (let's say ID_No 1 through 50) and a set of metrics that pertain to these individuals: things like age, SAT reading score, SAT math score, a motivation index metric, etc. These individuals are also aggregated into teams (let's say ID_No 1 though 10 is team 1, ID_No 11...
  4. E

    How should I aggregate data across multiple periods

    Hi, I am trying to figure out the best way to aggregate data and am unable to find anything in the literature (e.g., Google or this site) to give me a reason to choose one method of aggregation over another (or to explain how aggregation might impact results). I have data that are gathered...
  5. T


  6. S

    Help with justifying aggregation in SPSS?

    Hi there, I am running a multi-level model on data which is one row per individual survey return, each with Individual ID and Organisational ID. There are variables which can be aggregated in to group, but I first have to justify this aggregation, and have been told to do so via ICC(1)...
  7. E

    aggregation over groups vs. rounds

    I have an experimental design where I have 10 groups and within each group there are 10 people. Each subject answers 12 questions five times. I want to plot graphs to see how each group performed and in one case, I need to aggregate over groups and in another one over rounds. The aggregation...