nominal data

  1. S

    Does frequency distribution matter when using nominal/ordinal data?

    I want to do relationship analysis between different variables from questionnaire results that I've just collected and I've recently learned that you need to make sure certain assumptions are fulfilled before using certain analysis tools such as needing to have a normal distribution for your...
  2. M

    SPSS 2 way ANOVA with nominal data

    I have to analyze data from an in class experiment. The experiment had 4 total conditions (2 IVs, each with 2 levels) and tested memory recall (DV) using a 2-item forced choice recognition test. My group is planning on calculating our DV (recall) as the percentage of participants who chose the...
  3. S

    How to analyze proportions from large datasets

    Hello all! This question will likely reveal my lack of basic statistics knowledge, but I can't seem to find the answer in textbooks or on this forum. To wit: My grad project involves cutting fragments from leaves, and growing fungi out of them. Anywhere from 15% to 90% of fragments produce...
  4. 3

    Conducting Factor Analysis on Data with Nominal, Ordinal, and Interval Data

    I would advice on conducting a confirmatory factor analysis on data from an instrument that contains nominal, ordinal, and interval data. I'd think to use, e.g., point biserial, polychoric, and product-moment for each respectively, but what about when they're all in the same CFA? Other posts...
  5. J

    Can I use all correlation metrics also for time series?

    I was using the cross correlation function in R (ccf) until now to discover correlations and lags between two time series. I was wondering if I can use all other correlation metrics for time series as well or are there any restrictions with time series? For example I want to use Spearman's...
  6. K

    1 level of nominal IV correlate to Interval DV - how to do this?

    1 level of nominal IV correlate to Interval DV - how to do this in SPSS? I have 1 categorical Iv which has 4levels - and 1 dv which is interval scores The 4 levels of the Iv are 4likert scale responses - from "not at all"=0 to "always" =3 I want to find out if there is a relationship...
  7. A

    multiple-response categorical variables - what is "n", chi-squared

    Hello, I am doing independence checks (chi-squared tests) on two variables. One of the variables is of the interval nature and the other is a multiple-response categorical variable. Couple of questions: 1. What is "n"? The number of respondents, or the number of responses, or...
  8. B

    How to check association between an interval variable & nominal variable?

    There is a collection of data of 2000 patients. I want to know the age of onset of Diabetes (an interval variable) has any relationship to the presence or absence of Albumin in urine (a nominal variable). What is the best test I can use to check whether there is any significant association...
  9. C

    Hypothesis testing nominal data

    Hi all Just found this great website but unfortunately i cannot find a thread that can help me so here is my question. i got an assignment where the question is: "Examine if the market share of EDC is 25 %(real estate agent). If not, please indicate the size of the market share." So from...