Cross Validated

Notable Question

 Notable Question
Question with 2,500 views. This badge can be awarded multiple times.
Awarded 29331 times.
If you have an ARIMA model i.e. ARIMA(1,0,1) or ARIMA(2,0,3), how do you read the ACF and PACF?
Awarded 5 hours ago
Warning message when using a binomial distribution in glmer() models in R
Awarded 12 hours ago
Interpreting the value of pair correlation function
Awarded 13 hours ago
Standard error of the mean of a non-normal distribution
Awarded 14 hours ago
Main effects of 2-way ANOVA - same as 1-way ANOVA on each main effect?
Awarded 15 hours ago
Why is the $R^2$ for fitting y(x) the same as for fitting x(y)?
Awarded 21 hours ago
Does IQR method for outliers work for non-normal data?
Awarded 21 hours ago
Is it normal for training loss to plateau before decreasing?
Awarded yesterday
Bonferroni for outlier detection?
Awarded yesterday
Interpreting overlapping arrows on a PCA biplot: does it mean that the variables are redundant?
Awarded yesterday
Median of mixture of two Gaussian distributions with equal weights
Awarded yesterday
Feature engineering for fraud detection
Awarded yesterday
Assumption of linearity between variables and log odds in logistic regression
Awarded yesterday
Linear mixed-effects model for both between (group) and within (time) but with multiple levels of the within category
Awarded yesterday
What is the correct formula to compute R-squared?
Awarded yesterday
Normality test and Outlier detection [duplicate]
Awarded yesterday
Difference Between Latent Class Analysis and Mixture Models
Awarded yesterday
Cosine similarity and normalization
Awarded yesterday
Descriptive statistics on time series data
Awarded 2 days ago
Consequences of unbalanced subgroups of categorical variables in logistic regression?
Awarded 2 days ago
What is unrolling in LSTM
Awarded 2 days ago
Local polynomial regression with Epanechnikov kernel
Awarded 2 days ago
Why does Fisher's exact test produce the same p-value regardless of my predictor variable?
Awarded 2 days ago
Number of Covariates in Cox PH Model and Overfitting
Awarded 2 days ago
Two-way Anova with unequal variances [duplicate]
Awarded 2 days ago
sample size for 2x2x2 between-subjects factorial design [closed]
Awarded 2 days ago
Statistical tests for count data with many zeros
Awarded 2 days ago
How to interpret the result of this box plot?
Awarded 2 days ago
For my study design: When to log-transform data vs. when to use a non-parametric approach [duplicate]
Awarded 2 days ago
If there any benefit to using ridge regression in a simple linear regression problem where the aim is prediction?
Awarded 2 days ago
Calculating the expression for the derivative of a Gaussian process
Awarded 2 days ago
Build a statistical model based on small sample size
Awarded 2 days ago
Explosive AR(MA) processes are stationary?
Awarded Dec 6 at 6:10
Multiple Regression with Categorical Variables - How to evaluate the Omitted Values?
Awarded Dec 6 at 3:50
Wilcoxon Test - non normality, non equal variances, sample size not the same
Awarded Dec 6 at 2:51
What exactly is min_samples_leaf in scikit-learn's RandomForestClassifier?
Awarded Dec 6 at 2:26
What is a discriminative feature?
Awarded Dec 6 at 2:26
Difference between Wilcoxon test and Pairwise Wilcoxon test in R?
Awarded Dec 5 at 21:51
Imputation of missing response variables
Awarded Dec 5 at 21:10
Why do we use hypothesis tests instead of just letting people do Bayesian updates?
Awarded Dec 5 at 19:21
Calculating predicted probabilities for ordered probit model
Awarded Dec 5 at 18:56
PCA to choose variables based on its loadings on PC1 [duplicate]
Awarded Dec 5 at 16:35
Naive Ridge Regression in R?
Awarded Dec 5 at 14:48
How to formally write a VAR model including an exogenous variable?
Awarded Dec 5 at 14:15
Why Student's t-distribution has fatter tails than normal distribution? [closed]
Awarded Dec 5 at 8:41
Principal components: Can I interpret PCA as essentially a change of basis
Awarded Dec 5 at 8:41
Order statistics (e.g., minimum) of infinite collection of chi-square variates?
Awarded Dec 4 at 19:53
How to perform goodness of fit test and how to assign probability with uniform distribution? [duplicate]
Awarded Dec 4 at 17:50
How to interpret chi-squared test for main effect in presence of interaction term
Awarded Dec 4 at 15:51
Understanding the Tweedie Distribution
Awarded Dec 4 at 15:17
Nonparametric methods for count data?
Awarded Dec 4 at 12:55
Is there a Bayesian interpretation of linear regression with simultaneous L1 and L2 regularization (aka elastic net)?
Awarded Dec 4 at 11:47
Hierarchical clustering dendrogram on a distance matrix
Awarded Dec 4 at 9:28
How to interpret difference in correlation coefficient between 'absolute value' correl and 'returns' correl?
Awarded Dec 4 at 6:48
How to generate Bernoulli random variables with common correlation $\rho$?
Awarded Dec 4 at 5:37
Mean and Variance of SSE
Awarded Dec 4 at 2:25
Proof that the mean is a complete sufficient statistic and the sample variance is an ancillary statistic
Awarded Dec 3 at 21:57
Expected Improvement formula for Bayesian Optimisation
Awarded Dec 3 at 21:15
Highest Density Interval in Stan [closed]
Awarded Dec 3 at 19:15
What does the size of the Wilcoxon rank sum test 'W statistic' indicate?
Awarded Dec 3 at 18:28
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