random variable related issues & queries in StatsXchanger

Regression Trees: how to split exactly 2 node with Sum Of Square Error

regression random-forest
Updated July 15, 2018 09:19 AM

Trying to understand a latent curve model in terms of mixed effects regression

regression random-effects-model sem latent-variable
Updated July 15, 2018 06:19 AM

Finding a function minimizing the expected value

self-study random-variable expected-value
Updated July 13, 2018 13:19 PM

OLS, Fixed effects or Random effects?

mixed-model least-squares random-effects-model fixed-effects-model
Updated July 12, 2018 20:19 PM

Looking to see if sample is random or not

hypothesis-testing random-generation
Updated July 12, 2018 20:19 PM

Calculating proportion of variance explained by random effect in multinomial GLMM

logistic mixed-model random-effects-model multinomial glmm
Updated July 12, 2018 15:19 PM

significance of random forest variable importance via multiple running or permuation of variable value

feature-selection random-forest
Updated July 12, 2018 14:19 PM

differences between latent space of GAN and VAE

latent-variable
Updated July 12, 2018 11:19 AM

How to generate a random draw from the joint posterior density after MCMC has converged?

mcmc random-generation
Updated July 12, 2018 10:19 AM

Average Precision or FBeta & Decision Threshold Tuning for Binary Classifier

cross-validation random-forest unbalanced-classes precision-recall
Updated July 12, 2018 03:19 AM

What is the relationship between latent factors in matrix factorization?

latent-variable matrix-decomposition
Updated July 11, 2018 00:19 AM

Interpretation of variable importance in Random Forest

machine-learning random-forest importance
Updated July 10, 2018 17:19 PM

Could a linear regression helps optimizing a random forest initially based on dummy variables?

random-forest
Updated July 10, 2018 14:19 PM

Continuous random variable

self-study random-variable continuous-data
Updated July 10, 2018 05:19 AM

Message passing vs alpha expansion

conditional-random-field
Updated July 10, 2018 01:19 AM

Performance of Ridge and Lasso Regression depend on set.seed?

r lasso random-generation ridge-regression shrinkage
Updated July 09, 2018 20:19 PM

Regression: very basic questions

regression self-study matlab linear variable
Updated July 09, 2018 08:19 AM

What is the covariance between X and Y, when $Y>0$ if $X<0$ and $Y<0$ if $X>0$?

correlation variance random-variable covariance independence
Updated July 09, 2018 03:19 AM

Buffer needed on random vectors to have a desired distribution

random-variable random-generation high-dimensional
Updated July 08, 2018 11:19 AM

Randon generation of wealth with normal distribution of two parameters?

distributions normal-distribution random-variable random-effects-model joint-distribution
Updated July 08, 2018 02:19 AM

What are the features used in text analysis

neural-networks random-forest natural-language tf-idf bag-of-words
Updated July 08, 2018 01:19 AM

Optimizing cumulative lift in classification

machine-learning predictive-models random-forest unsupervised-learning gbm
Updated July 08, 2018 01:19 AM

Why is generating 8 random bits uniform on (0, 255)?

binomial random-generation uniform
Updated July 08, 2018 00:19 AM

Conditional GANs - conditioning scheme in TFGAN

tensorflow latent-variable gan
Updated July 07, 2018 23:19 PM

running simple glmer model returning warning message -R

r random-effects-model
Updated July 07, 2018 19:19 PM

Mixed ANOVA, all Sigs = .000?

statistical-significance anova p-value variable
Updated July 07, 2018 17:19 PM

Mixed ANOVA on filtered data please?

anova spss filter variable
Updated July 07, 2018 11:19 AM

Expected value of product of dependent random variables

random-variable expected-value
Updated July 06, 2018 23:19 PM

CLT for random sums: Anscombe's Theorem vs. “classical” version

distributions random-variable central-limit-theorem approximation
Updated July 06, 2018 15:19 PM

Imbalanced Data Classification - AUPRC vs FBeta Stat

machine-learning random-forest unbalanced-classes auc
Updated July 06, 2018 13:19 PM

What happens when the feature importance plot is dominated by only one feature?

feature-selection random-forest cart boosting
Updated July 06, 2018 04:19 AM

Can Bernoulli random variables be used to approximate more than just the normal distribution?

probability random-generation bernoulli-distribution
Updated July 06, 2018 00:19 AM

¿Any suggestions? GLM, HLM, MLM Problem (lme4)

generalized-linear-model modeling multilevel-analysis random-effects-model hierarchical-bayesian
Updated July 05, 2018 22:19 PM

Decrease the variance of ExtraTrees Classifier

machine-learning logistic random-forest ensemble stacking
Updated July 05, 2018 21:19 PM

Brain teaser: How to generate 7 integers with equal probability using a coin that has a pr(head) = p?

probability binomial random-generation
Updated July 05, 2018 20:19 PM

Log-normal density function using rlnorm() in R

r mathematical-statistics pdf random-generation lognormal
Updated July 05, 2018 17:19 PM

Why don't we define random events?

random-variable definition
Updated July 05, 2018 10:19 AM

Finding 'conditional probability'

random-variable condition-number
Updated July 05, 2018 04:19 AM

Normal distribution $var(X^2+Y^2)$

self-study normal-distribution random-variable
Updated July 05, 2018 00:19 AM

Combining AEVB with conjugate exponential family observations

deep-learning latent-variable conjugate-prior variational-bayes
Updated July 04, 2018 15:19 PM

Random forest: Out of bag error increases with number of treees

random-forest
Updated July 04, 2018 12:19 PM

Mixed-Design ANOVA Confusion: Do I separate my treatment Column?

anova spss two-way variable
Updated July 04, 2018 11:19 AM

What is Cov(X,Y) when X is a F-distribution (a,b) and Y is a F-distribution (c,d) ,in case X,Y Not independent

random-variable covariance f-distribution
Updated July 04, 2018 06:19 AM

What exactly is a seed in random number generator?

random-variable random-effects-model random-generation randomness
Updated July 04, 2018 04:19 AM

What is the distribution of the sum of independent normal variables?

normal-distribution self-study random-variable
Updated July 04, 2018 02:19 AM

Does RandomForest ignore spatial independence?

random-forest spatial independence
Updated July 03, 2018 23:19 PM

What happens when bootstrapping isn't used in random forests?

machine-learning random-forest scikit-learn
Updated July 03, 2018 20:19 PM

Systematic negative bias in auto-correlations of random time-series

correlation random-variable autocorrelation bias
Updated July 03, 2018 18:19 PM

Is it helpful to have monotonic features when using a random forest for classification?

classification random-forest missing-data
Updated July 03, 2018 17:19 PM

Calculate MSE for random forest in R using package 'randomForest'

r random-forest cross-validation mse
Updated July 03, 2018 17:19 PM

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