Questions tagged [association-measure]
Measures of the association between variables, a more general concept than correlation
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Is there any difference between an "independent association" and to be "independent predictor"?
I wish to know if there is a difference between being an independent predictor of a variable or an specific event, and to be independently associated with i.e. hormones are independent predictors of ...
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What is the best approach to look at association between change in X and change in Y?
What is the correct approach to analyze the association between changes in two variables with two synchronous repeated measurements?
I have calculated delta change scores for variables
X and Y both ...
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Valid covariate definitions that respect temporal relationships in regression models
I am trying to gain a better understanding of reasonable assumptions to make and valid ways to define covariates in regression models. I am putting aside survival methods where time is fundamental to ...
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Classification model for categorical data, highly imbalanced
I am trying to create a classification model for birth defect data. The goal is to determine which of the paternal variables are most associated with the top 5 birth defects. The target variable '...
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Kruskal-Wallis with unbalanced classes and assumption of normality
Edited
I want to better understand:
how to appropriately approach a significant test with largely unbalanced classes
appreciate the "story" that a statistical tests support
Situation:
I ...
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Is stationarity always an requirement for Spearman correlation between two time-series?
I would like to know if time-series data always (in every case imagineable) has to be stationary before computing the Spearman correlation between two time-series. I subsequently explain my specific ...
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Assessing the relationship between two variables
I've been trying to analyze the possible association between the number of questions done while studying and the average result of users after several testing sessions. The ...
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Can log2 be substituted with ln in logDice association measure?
I am currently doing collocational analysis in the Russian National Corpus, to be precise the Russian national news subcorpus, to see what is the most significant collocates of the lemma "gay&...
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How to identify patterns/associations in a multiple choice question towards another variable?
I have a dataset where with two questions. Question 1 is a multiple-choice question and asks the participants which treatment they took. E.g., treatment A, treatment B, treatment C etc.
Question 2 ...
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How to correlate several binary (binominal) variables with each other?
I have a dataset that describes the answers of students to 7 questions (correct/wrong). So:
Question1
Question2
...
Question7
student#1
correct
correct
wrong
student#2
wrong
correct
correct
...
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Is there a better alternative for the Jaccard index to obtain the relationship between binary indices?
I currently have data from $n$ sources. Each source sends a binary signal each minute. I have a register of $p$ minutes.
I have used Python to calculate the Jaccard indices of each signal as
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How do I associate or assign a large amount of continuous variables with zero-heavy distributions to different groups?
I have a dataset with about 70 continuous numeric variables. I have about 80 samples which divide more or less equally into two groups. I want to figure out which of these variables is most strongly ...
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Recommender system - for single user
I am building a recommender system, in which for one system there will be only one user. So we cannot use something like user-user data. Recommendation is an item which contains 10-15 attributes ie ...
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Comparing the percentage changes of two Crosstabs (Chi-square test of independence/association)
I'm looking for an association between 2 variables before and after manipulation. I ran 2 separate crosstabs and I'm able to see for which cells there's an association. Additionally, I want to see ...
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Method for determining which of two related continous variables has a stronger association with a third continous variable
I have two continuous variables and would like to determine which of these is more strongly associated with a third continuous variable.
I realize I could perhaps do a multiple regression and see if ...
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