data analytics

  1. B

    Conflicting definitions: What is “effect size” regarding customer churn?

    One research paper says an example of "effect size" is the difference in the average age of churners vs. non-churners (41 vs 45). Another research paper says "effect size" is the difference in the area under the ROC curve (AUC was used to measure the validity of a model used to predict churn)...
  2. 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...
  3. 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...
  4. V

    Evaluate performance

    i have 5 variables of game's data which is evaluated on some logic . example : level = 100% objective = 100% retry = 100% successful moves = 80% score = 25000 now i have such data of every user, above one is just example , now i want to measure performance of such user and using this 5...
  5. J

    Reading dataset stored in vector form in R

    I am new to R how can I read a dataset stored as vectors and with comments in it into R? See Attached. Thanks in advance.
  6. S

    Bayesian Hierarchical Customer Spend Model

    Hi guys, I am trying to set up a Bayesian Hierarchical model for customer spending, and was hoping to clarify a couple of things. I want to look at the returns on investment amongst people who buy our products for a particular marketing initiative. So what we have is: - A general customer base...
  7. B

    Question about histogram construction

    Hello. I know this may be an obvious answer, but my instructor has given me this question Part I. The following twenty data are the yields of the weight (pounds) gained each month per person. 7.0 4.0 3.4 5.1 6.8 4.4 6.6 5.6 4.6 3.6 4.8 5.6 7.4 5.0 5.0 5.8 3.8 6.3 5.6 5.6 Construct a...
  8. A

    Hello TS... Howdy.... Help me ... Thanks in advance...

    I am Achyut Sarma B, a final year student pursuing bachelors in Computer Sciences from Amrita University, Coimbatore, India. I am new to data sciences but am being fascinated by it and it's ways to solve real world business problems. Here are some problems that are really annoying me since the...
  9. A

    Where can I find real data for ANOVA for a project?

    Where can I find real data for ANOVA for a project? I have my semester project due soon and I need to get real life data to use for the analysis. I searched but didn't get the best results. any one know any website?