Questions tagged [interpretation]
Refers generally to making substantive conclusions from the results of a statistical analysis.
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Chooice of the family distribution and handle of factor variables in HGAMM (Hierarchical Generalized Additive Mixed Models)
my research question is what covariates are related to higher contacts during the lockdown period. The dataset includes the contact information for each participant for at least two-time points. The ...
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Why do I get a large difference between the p-value of a Chi-square test and the p-value of a KS test?
Introduction. I have data, representing the number of mammals, in a certain geographical region. I show here an example of data (please see the code below for more information):
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How can for two groups one variable be significantly different but another not if both measure same construct?
Overview:
Two sets of ordinal data collected using two different measures for usability
These two measures are proven to be correlated (also confirmed for this dataset)
Each dataset can be divided ...
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How to adress potential issues with interpretation/generalizability after discarding observations in exact matching?
Observations are discarded if they have no exact match, which potentially leads to a different distribution of the covariates in the matched sample compared to the original sample.
I assume that at ...
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Resids vs fitted plot shows cyclical patterns. I have chosen 5 explanatory variables out of 300. Should I add more or do I risk overfitting?
I'm predicting the relative abundance of 1 genus (y) based on the relative abundance of other genus (the variables are each genus name). I have arbitrarily chosen the 5 genus that seemed the most ...
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How interpret contrary coefficient estimates in a logistic regression?
I need help to interpret a result output of a mediation analysis.
I have a predictor X that predicts three mediators variables M1, M2, M3 in a negative way. When X increases M1, M2, M3 decreases. M1, ...
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Distance between probability distributions
I am trying to understand the differences between three distances between probability distributions, for instance what are their advantages and inconvenients, what they do emphasize and what they don'...
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Kproto, Kmeans and Gower with PAM (General Clustering Analysis)
Hi I have around 654 rows of data with mixed variables (both numeric and categorical). I have done all the scaling, transformation for numerical variables and replaced missing in both numerical and ...
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Level mean from natural logarithm mean [duplicate]
Suppose I have a random sample $X_i$ where the values $x_i$ are strictly positive. I calculate the mean of the transformed variable $t_i = \ln x_i$ as $\bar{t} = \frac{\sum_{i=1}^n t_i}{n} \approx 9....
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Is it necessary to transform the tide variable using a truncated Fourier series for GLM (Gamma), and how should I interpret interactions? [closed]
I’m using glm to see whether there is an association between zooplankton biomass (response) with two variables: 1) hours from high tide (high tide is zero, hours before are negative at one hourly ...
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Elasticity from differenced log-level regression
I have the regression
$ \Delta \ln Y_i = \alpha + \beta \Delta X_i + \varepsilon_i $
where $\Delta \ln Y_i = \ln Y_{t,i} - \ln Y_{t-1,i}$ and $\Delta X_i = ((X_{t,i} - X_{t-1,i}) / T_{t-1,i} ) \cdot ...
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Compare effect of two coefficients in logit model
I have a logit model with multiple independents qualitatives variables (A, B, C), and I would like to compare the probability of success between individuals who have a certain profile.
For instance, ...
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Addition of regression coefficients in Linear Probability Models?
I'm reading this paper
Sangyoon Park (2018) Coeducation, academic performance, and subject choice: evidence from quasi-random classroom assignments, Education Economics, 26:6, 574-592, DOI: 10.1080/...
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Interpretation of Poisson regression model (outcome variable - dietary diversity)
I would like to get some insights on how to interpret the Poisson model using the results shown in the picture.
This is how I interpreted it: For every one unit increase in the number of cooked food ...
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Moderation coefficient in linear mixed models SPSS - interpretation
My model:
IV: extroversion (5 point likert)
Moderator: Comepetence (values 1-5)
DV: Offer (values 5 to 15)
Hypothesis: The negative relationship between Extroversion and offer is moderated by ...
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