Find answers to your questions about Cross Validated or help others by answering their Cross Validated questions.
I have this data in R and I'm trying to statistically analyze whether high age zeros (column n) in each year is significantly correlated to the next years age 1...
Asked on 02/16/2021 by Johnny5ish
1 answerI have a large covariance matrix $Sigma$ and I am reducing its dimensionality by using a truncated eigendecomposition. $Sigma approx VDV^T$. I remember somewhere that you could also...
Asked on 02/15/2021 by Wilmer E. Henao
0 answerI have a binary classification task for which I want to compare two different classification methods as well as hyper-parameters for each.I have used k-fold cross-validation (k = 5)...
Asked on 02/15/2021 by pterojacktyl
2 answerI am working on a churn prediction model. I eliminated customers with less than 5 orders. The model works fine for the customer having 5 or more orders but how...
Asked on 02/14/2021 by Ahmet Tuğrul Bayrak
0 answerI am working on a marketing budget plan, i used both multiple linear regression and polynomial regression models. I am not sure if i can compare them based on rse...
Asked on 02/14/2021 by Gracetam
0 answerIf an existing questionnaire does not exist to tap into a construct, is it better to change the instructions of a preexisting measure that isn't quite tapping into the variable...
Asked on 02/14/2021
1 answerI am assessing pregnancy data where my exposure is categorical variable (either dichotomized or ordinal), potential mediator is categorical (dichotomized or ordinal) and the outcome is also categorical (yes/no). ...
Asked on 02/14/2021 by Fouzia Farooq
0 answerWe carried out a number of some experiments and got 10 independent 2-samples datasets. Is it possible to show a significant difference between the two samples, if each of them...
Asked on 02/14/2021
4 answerI am using a 2SLS, with two endogenous variables and two instruments.I conduct the Under- and the Weak-identification tests; results from these tests suggest that my instruments are not...
Asked on 02/14/2021 by Fuca26
1 answerI know there are three types of averaging methods in statistics: Mean, Mode and Median. Are there any other type of averaging methods that...
Asked on 02/14/2021 by gpuguy
4 answerGet help from others!
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