research

  1. S

    Non-parametric test with confounding factors (many covariates)

    First, sorry for my English, if I'm not clear enough, tell me! In my project, I have many variables but a very small sample (non-parametric). I'm trying to prove a link between two variables while correcting for covariates. In short, we are looking at white matter tracts and their links to...
  2. R

    Help with testing three variables (non-metrical) perhaps GEE

    Hi, I ran a survey (n=38) and now I'm trying to analyze one hypothesis with Rstudio: H4: People workout more when working from home, than in office. I'm trying to combine two items to test this hypothesis. 1. sporting activity (frequency per week; ordinal scale) in 4 different periods...
  3. H

    Data analysis

    Hi I'm currently in the middle of a job application process and one of the stages is data analysis of two tables (one is deaths caused by diabetes between specific years and the others is deaths caused by diabetes in specific regions). I've been told to analyse the data looking for "main...
  4. A

    Creating an index to rank a list of companies based on how many areas they invest in

    I have a list of companies and 10 possible areas of investment for each of the companies. I would like to create an index to rank the companies based on the areas they invest in. More areas of investment would mean a higher index number. What would be a meaningful way to go about this. I thought...
  5. T

    which test should i use for medical research

    Hei, I have done my experiments and now I have 5 control tests and10 different membranes to test with at least two samples each. (This is the row). And I have up to 50 different chemicals.(The column). The test it to see how much of the chemicals enter the membrane and which membrane works the...
  6. C

    What analysis is best for my research

    Hi all, I'm currently doing my masters thesis about blood pressure monitors. I'm compairing them on repeatability using a simulator. Now i have 5 different devices with each 3 simulations x 85 measurements. (Simulations are High blood pressure, low and normal) I did the basic thing like look...
  7. S

    What Statistical Treatment can I use in this type of data?

    We are currently conducting a small study and have very small background in Statistical Analysis. We conducted some experiments and have gathered some data. Can anyone help me in identifying what type of Statistical Treatment we can use for this? The second column pertains to the number of...
  8. S

    Method/test to use analyzing survey

    What type of analysis to do on staff engagement survey to find root cause of problem? Questions covers trust, well being, working environment topics. Answers collected are in 1-5 scale, 1 being strong agree. Method used so far is finding correlation between the questions. Any other...
  9. J

    Two variables (Crime rate and CPTED audit rating)- which test to use?

    Hello, I am a college student currently finishing up my Master’s degree in Applied Geography. I am working on a research project/thesis. The project is focused on Crime Prevention Through Environmental Design, AKA CPTED. CPTED is a theory that certain characteristics of the built environment...
  10. S

    Using percentage for 2-way Anova

    Do I have to label my data as percentage in SPSS? I ran a two-way anova, and the p-value was 0.00 but when I did a bar graph, the difference was not significant at all.
  11. J

    Engineering research tests: comparing post hoc data and paring

    Hello - I have several tests to do but my stats is a bit rusty... They are all based on the deflection of different beam designs: Test 1 Beam design A (n=4) is loaded and deflection measured Beam design A (n=4) is loaded, but with a changed contact, and deflection measured Test 2 Beam design B...
  12. S

    What tests and analysis for 50 year data collected on fashion trends

    So, it is said that whatever is in fashion once comes back someday or the other. We have collected data on 10 different garment types, each having 5 different sub-types on what was in fashion in 50 years. (Eg- Jeans->Waist->High/Low/Mid-rise) We plan on assigning each sub-type a grade/number...
  13. C

    Effect Sizes

    This may seem like a ridiculous question, but it's bugging me and no text book or paper I've read has answered it. I am looking into research on effect sizes and their use in research. I see a lot of mention of Cohen's D and F2 and the "small", "medium" and "large" effect sizes. Can someone...
  14. Y

    How to prove two methods are “similar”?

    We are testing two imaging machines. One of the machines has been validated numerous times. However, we built the new machine and we need to prove that it is similar/comparable to the validated machine. So, the machines image a certain tube and determine a physical property. With several image...
  15. S

    Applying for Research (REU) in Statistics- Essay Review ?

    So there were two questions that I needed to answer : Explain why you have chosen your current major. I was first introduced to Statistics, my major, in 12th grade while preparing for the common proficiency test conducted for students wanting to pursue accountancy. Studying topics like...
  16. J

    Data Analysis visualization

    Hi Everyone, Lately I have been searching a data analyzer tool/software, which would also present my data in a better way. I came across DataPlay (https://dataplay.us/) software product and started using it for a month. I think this was the product I was looking for, cause it both analyzes...
  17. L

    question about change in period

    Hello guys:) I wonder whether you can help me. I do not know which analysis i can use. My aim is to prove or not the following hypothesis: The percentage amount of impairment ( impairment/total assets) has grown during 2012-2014 years. My data will consist of percentage amount of...
  18. L

    Question about type of research

    Hello guys!:) I wonder whether anyone of you who is killing in statistics could give an advice. I am writing my master thesis at the moment. The first part of my research is planned to be focused on the sample of N oilservice firms, in other words, firms in the same industry. What i want...
  19. K

    Creating Graphs from Survival Analysis Outcome

    If I run a survival analysis, how can I graph the output/outcome? I.e. if I run age group and incidence of a certain disease ('cancer'), and get a rate ratio for each age group, how can I put the RR on a graph with agregroup on the vertical and disease rate on the horizontal? I am...
  20. K

    SPSS Data Analysis

    Hello everyone! I created a survey about social media addiction. I'm going to gather data from 20 people or more the questionnaire is shown below this message. I do have a few concerns my variables are comparing males and females self-esteem boost, Narcisstic tendencies, The amount of...