chi sq

  1. A

    What stats tests should I be running?

    I have data looking at the number of different prey species and the number of different predator species that visited a waterhole and I'm categorizing by time, so eg. 3-6am : 5 prey, 2 predator 6-9am: 10 prey, 1 predator ect. I've tried doing a 2 way anova, and chi squared test but I dont...
  2. A

    What Stats should I do?

    I have data looking at the number of different prey species and the number of different predator species that visited a waterhole and I'm categorizing by time, so eg. 3-6am : 5 prey, 2 predator 6-9am: 10 prey, 1 predator ect. I've tried doing a 2 way anova, and chi squared test but I dont...
  3. S

    Paired variables?

    In our research on apprenticeships in early modern times, we have a series of observations (cases), each with several variables. Each observation is unique because of its combination of the variables "student name" and "starting date of the apprenticeship" (a certain "student name" can occur in...
  4. B

    Is his the right stats to use?

    For my dissertation I need to analyse my data, my supervisor recommended chi squared but I’m not sure if i can use it with my data. I’m looking at occurrences of cetaceans between 2014 and 2017 so the data I have collected is for 4 years and I’m looking at occurrences and time effort put in so...
  5. B

    Which stats test should I use?

    I have an experiment to look at habitat preferences of beetles and the effect of competition. In the first test, a beetle is on his own in an arena and I measured the % of time he spends in each of THREE types of habitat (open, bush and underground). I repeat this experiment with several...
  6. A

    Chi-square post-hoc test - Helpless

    I have been looking around on the net looking for the best way to do a post-hoc analysis for multi factor significant chi-square test, with no success. I have a data-set of patients with different disease subtypes (Lung cancer subtype A-H). So my two main variables are - Ethnicity (12 levels) -...
  7. R

    Chi - Square Test for test of independence of variables in different treatment groups

    Hello together, I have a question concerning my bachelor thesis. It is the first time I am actually doing statistical analysis on my own and so recommendations are very welcome. I work with a huge dataset of N=30000 with 10 randomized treatments group (variable „Treatment“ going from 0 to 9) and...
  8. N

    Question about chi-square test and single columns

    Hi guys and apologies if this is already answered somewhere, I couldnt find it. As far as I understand, Chi-Square test is a way to go here. I have a table with 3 groups and 4 categories for each group (values presented are not true values, just for an example): G1 G2 G3 TOTAL C1 10...
  9. P

    Difference between expected spending and observed spending. What kind of statistical

    I would like some advice from you about what kind of statistical analysis I could do about that data. My case is as follows: According to a research I have the information that the financial health of the company for a specific type of activity should put the following percentages on...
  10. D

    Significance test for 13 dichotomous DVs?

    I am studying unprofessional conduct. I have every case of misconduct over a 5-year period. I am curious if misconduct varies by education level. As you can see, misconduct is broken into 13 mutually exclusive categories, with a binary coding scheme. Theoretically, all 13 charges could exist...
  11. L

    If anyone can help please!! In DESPERATE need of clarification!

    Hi Everyone This is my first time on the site. Basically I am conducting some research for a dissertation I have to do as part of my course. I will be investigating whether a variety of drinks thickened using powder thickeners changes over the period of one hour. I have already conducted...
  12. B

    Chi Square

    2. A recent survey of 1,223 children, ranging in age between 8 and 12 years old, reported the following results. Suppose that the survey was based on 600 boys and 623 girls. What Tweens did : Boys/ Girls Played video game: 498/243 Read a book for fun 276/324...
  13. A

    Picking the correct test, need help urgently!

    Hello, I feel like the answer for this is probably really obvious but I am being missing it altogether. This is my data: Habitat Associating Not Associating Total Observations Flood 51 0 51 Levee 524 72 596 Liana 162...
  14. J

    Overcoming small dataset anomalies in genetic algorithm

    Hello Talk Stats, this is my first post on this forum, interestingly typing in modeling forum in google took me to a series of websites that was not my desired search result. So I am currently making my 6th version of a model designed to predict the likelihood of of a particular medical...
  15. C

    can you do a chi sq w/ 2 different n sizes?

    can you do a chi sq w/ 2 different n sizes? I have an experiment with 2 groups (pre medicine and post medicine). Group 1: 400 subjects Group 2: 332. When Put the data in (via 1 and 0s) into my SPSS I keep getting really weird answers. How can I accommodate for the 68 subject difference...