data analysis

  1. R

    SPSS for Customer Satisfaction

    I have data collected with 5 Likert Scale Questionnaire to establish factors influencing customer satisfaction using online banking. The factors included Credibility, Efficiency, Ease of Use, Security, Problem Handling and Product/Service Portfolio. A total of 6 independent variables. In this...
  2. E

    How can I create a table with 2 independent numeric variables in SPSS?

    I'm trying to tabulate some concentrations of compounds to eventually test if tide (or depth for other samples) and distance along a sampling transect affect these compounds (the 5 variables on the right). However, the only way I can think to do this is in the attached image, where I'm forced to...
  3. L

    How to determine the cut-off point of your dataset?

    Hi, I was wondering whether there is a way of determining cut-off point of your dataset? Let say I have the following dataset , which includes the following columns: text and emotion (negative, positive , or neutral): | Text | Emotion | | I like yellow...
  4. 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...
  5. N

    Best method to determine future success or to determine best linearity?

    Long time viewer, but first time poster, so excuse me if i'm in the wrong place please. Anyway, I am working on a project that is pretty interesting. Through data mining, I am able to gather a ton of investment portfolios. Each portfolio has the obviously related statistics, including total...
  6. H

    Data science course

    Hello, I'm currently working on a project in data science class. I'm exploring 911 data. I need to analyse the data by statistical tests and give business conclusions. I counted how many times there was car crash by year, month, day, hour and by town. I am using python for my project.
  7. L

    Biological data analysis of settlement success in coral

    I have no idea how to run any statistical tests on the following data. This is the experiment I ran: I exposed corals to a chemical in lab. Every day, I collected the coral larvae from the coral every day for 3 weeks. My advisor had me then pool the larvae from the same treatments, and score...
  8. L

    Data analysis in R on path data.

    Hello all. I am working on a data base collected by walk/path observations in animals. The data is recorded as coordinate X and Y. Do you have any suggestion about which R package I can use and which analysis would best to test different between different conditions. For now I found a nice...
  9. M

    Statistically Significant Data for Test Engineer

    A common engineering experiment is to test something until failure to determine its ultimate break strength. Sample sizes can range from 5 to 100 pieces. I would like to know what statistical tests are used to make sure the data is good. Statistical tests that I am aware of are used to...
  10. G

    Need help selecting appropriate tests for assignment

    I've had a bit of trouble with these questions. Basically I have a heap of data sets from a survey that I need to run tests on in a statistics-based program called SPSS (t-tests, regressions, etc.). I'm very stuck on what test to use for the questions below. If anyone has any ideas on what test...
  11. S

    Fixing behavioural difference of demographics

    Currently collecting employment/working satisfaction data from survey at different countries. Same set of questions is used. I have come across that people from some countries tend to be more optimistic/pessimistic than others. How can I take their answering behaviour into consideration when...
  12. S

    Fixing different demographics behaviour on survey data

    Currently collecting employment/working satisfaction data from survey at different countries. Same set of questions is used. I have come across that people from some countries tend to be more optimistic/pessimistic than others. How can I take their answering behaviour into consideration when...
  13. 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...
  14. S

    PyCM : New statistical analysis library for post classification in Python

    A classifier is expected to face with many datasets with different characteristics such as being unbalanced. Besides, their missions are different, for example, categorizing data into just two classes or more than two. There are many different parameters for evaluating the performance of a...
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    Help URGENT deadline!! What data analysis method should I use to test the effect 1 variable has on 3 other variables ?

    Hello, I’ve just joined and am in need of any help that I can get. Basically I wanted to test whether phubbing ( snubbing someone to use your phone) impacts relationship satisfaction, sense of self-worth and respect for your partner. Does anyone know what statistical analyses I would need to...
  16. L

    Need Help with Data for Regression

    Hi, I am working on a replication of a research paper where I have to compile my own data to copy the regression done in the research paper. I have never done a regression like this before and I am not sure about the data I chose - I would appreciate any help and input. All the variables I...
  17. R

    Statistical analysis of scientific data

    Dear All, Hi, I am doing PhD in the field of material science. I want to know what kind of statistical method I can apply to interpret results of my experiment. Suppose, I have 30 samples and there are about 15 properties associated with each of these samples. With this post, I want to attach...
  18. W

    Survey Data Analysis

    Hello, I am interpreting some data that was calculated by someone else and initially I was confused how this person got these numbers. So I emailed the office that oversees the analysis of this information and their explanation still left me a little confused. Hopefully someone can clarify...
  19. M

    Factor Analysis (categorical variables)

    Hi everyone, I need to run a factor analysis on a few nominal variables. They have no defined order, therefore, I cannot use polychoric correlations to create a matrix. My variables are coded such that: 1- respondent 2- husband 3- In laws and so on. I have eight variables and will...
  20. P

    Calculating representative value for data

    Assume there are ten data with values a_1, a_2, ..., a_10 each with different non-symmetric errors. The problem confronting me in brief is, to combine the 10 results a_i and their associated non-symmetric errors according to some acceptable precept so as to determine the value of a and its...