random variable related issues & queries in StatsXchanger

Are self loops allowed in Markov networks?

markov-random-field
Updated October 21, 2018 07:19 AM

Gauss' proof that "the best estimate for a random variable is the average"

mathematical-statistics references mean random-variable
Updated October 20, 2018 18:19 PM

How to prevent overfitting with regression using ranger (randomforest)

r cross-validation random-forest overfitting caret
Updated October 20, 2018 08:19 AM

Random number generation using t-distribution or laplace distribution

distributions matlab random-generation t-distribution laplace-distribution
Updated October 19, 2018 22:19 PM

How to calculate the average number of events per interval in poisson distribution

random-variable poisson-distribution cdf inverse-cdf
Updated October 19, 2018 17:19 PM

Single imputation to multiple imputation: Can this be done properly with 'missForest' package?

r random-forest data-imputation multiple-imputation pooling
Updated October 19, 2018 16:19 PM

Handling categorical variables in various ML algorithms

python r machine-learning scikit-learn random-forest
Updated October 19, 2018 00:19 AM

Will binary model be automatically mirrored if train set inverted?

classification neural-networks random-forest
Updated October 17, 2018 20:19 PM

Why does the variance of the Random walk increase?

time-series self-study mathematical-statistics stochastic-processes random-walk
Updated October 17, 2018 10:19 AM

Why is the sqrt(n_features) the default maximum number of features for the best split in RandomForestClassifier?

random-forest cart boosting ensemble
Updated October 17, 2018 05:19 AM

The definitions of estimator and estimate

random-variable estimators definition
Updated October 16, 2018 22:19 PM

Implementation of REML estimation with observation weights

mixed-model random-effects-model sas weighted-regression reml
Updated October 16, 2018 21:19 PM

Dependent variables - BMI and Weight

dependent variable
Updated October 16, 2018 18:19 PM

How to get optimal model predictions for random forest in caret

r random-forest caret confusion-matrix
Updated October 16, 2018 17:19 PM

is this method of finding the expected value of the square a random variable correct?

probability random-variable expected-value
Updated October 16, 2018 12:19 PM

Survival probability of a random walk with renewal timings

probability survival stochastic-processes random-walk
Updated October 15, 2018 21:19 PM

Meaning of f(Y) - random variables

random-variable function
Updated October 15, 2018 20:19 PM

why X|Y=y isn't considered to be a random variable

random-variable
Updated October 14, 2018 16:19 PM

Missing data in XGBoost and Random Forests

python random-forest missing-data xgboost
Updated October 12, 2018 19:19 PM

How to include nested data in a mixed-effects model using R?

r mixed-model random-effects-model
Updated October 12, 2018 18:19 PM

Expectation Maximization Expectation Function

self-study expectation-maximization latent-variable
Updated October 12, 2018 17:19 PM

Probability of never returning to the origin until time $2n$ in asymmetric Bernoulli random walk

probability random-walk
Updated October 12, 2018 14:19 PM

calculate binomial deviance (binomial log-likelihood) in the test dataset

machine-learning probability random-forest logarithm log-loss
Updated October 12, 2018 06:19 AM

Partial Effects Plots vs. Partial Dependence Plots for Random Forests

regression machine-learning random-forest interpretation partial-plot
Updated October 12, 2018 01:19 AM

Expectation of product

random-variable expected-value iid
Updated October 11, 2018 21:19 PM

Does it make sense to analyse an autocorrelation matrix with Random Matrix Theory?

time-series autocorrelation eigenvalues random-matrix acf-pacf
Updated October 11, 2018 19:19 PM

Does hyperparameters of machine learning algorithms necessarily change performance?

python svm random-forest boosting confusion-matrix
Updated October 11, 2018 13:19 PM

Parameter Estimation with Method of Moments

random-variable beta-distribution moments method-of-moments
Updated October 11, 2018 10:19 AM

Introducing a Bernouli random to ensure expecation remains the same after quantification

random-variable expected-value compression
Updated October 11, 2018 10:19 AM

mixed effects model in repeated measurements

mixed-model repeated-measures random-effects-model covariance-matrix
Updated October 10, 2018 22:19 PM

coeftest taking a very long time to run in R

r random-effects-model covariance-matrix neweywest
Updated October 10, 2018 15:19 PM

How can I perform semi-supervised learning for Random forest algorithm in R language?

r machine-learning random-forest semi-supervised
Updated October 10, 2018 04:19 AM

How to get class probabilities for unsupervised random forest

r random-forest unsupervised-learning
Updated October 10, 2018 03:19 AM

Is it neccessary to test for serial correlation in a multi-level model

autocorrelation multilevel-analysis random-effects-model durbin-watson-test
Updated October 09, 2018 15:19 PM

Inducing relative class frequency/ soft (voting) probabilities for classification Random Forests in R

r probability classification random-forest scikit-learn
Updated October 09, 2018 13:19 PM

Why is my cross validation failing?

regression cross-validation random-forest
Updated October 09, 2018 09:19 AM

How to test for a reduction in gendered language? What would the outcome variable be?

regression proportion continuous-data categorical-encoding random-allocation
Updated October 08, 2018 23:19 PM

Sampling from specific distribution

sampling random-variable simulation independence
Updated October 08, 2018 20:19 PM

What should be the properties file for IOB tagged Dataset for using in Stanford Open NLP NER Tagger?

machine-learning classification natural-language sequence-analysis conditional-random-field
Updated October 08, 2018 13:19 PM

Give an example of a Random Vector

random-variable
Updated October 08, 2018 04:19 AM

How maximal clique parameterization obscures original structure?

graphical-model markov-random-field
Updated October 08, 2018 03:19 AM

Latent variables in Bayes nets with no physical interpretation

latent-variable bayesian-network
Updated October 08, 2018 01:19 AM

SEM with Ordinal lickert-scale dependent variable

ordinal-data sem latent-variable
Updated October 07, 2018 18:19 PM

A generic terminology for a given object to be estimated?

estimation random-variable terminology
Updated October 07, 2018 16:19 PM

Can delta method be applied for determining the between subject variability (random variance) of a function of X?

mathematical-statistics mixed-model random-effects-model delta-method
Updated October 07, 2018 00:19 AM

Equation for GLMM w crossed random effects and logit link function

r mixed-model lme4-nlme random-effects-model glmm
Updated October 06, 2018 22:19 PM

Why is the sum of standard deviation of random effects in lme4 output greater than the actual sd of the variable itself?

r mixed-model lme4-nlme random-effects-model
Updated October 06, 2018 19:19 PM

variance of sum of random vectors - a proof

variance random-variable multivariate-distribution vector-fields
Updated October 06, 2018 02:19 AM

Can anyone clarify the concept of a "sum of random variables"

probability self-study random-variable terminology
Updated October 05, 2018 23:19 PM

Model to study effects without distinguish control and treatment variables

controlling-for-a-variable effects
Updated October 05, 2018 20:19 PM

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