<we><edit> <!-- questions and answers -->
cross-validation
linear-model
binomial
least-squares
hypothesis-testing
self-study
time-series
factor-analysis
data-transformation
regression-coefficients
deep-learning
survival
statistical-significance
dataset
multilevel-analysis
experiment-design
multivariate-analysis
prediction
clustering
classification
chi-squared
interpretation
neural-networks
standard-deviation
regression
self-study
How do I calculate the standard error of the $\chi^2$ statistic?
probability
hypothesis-testing
self-study
statistical-significance
variance
Estimating the randomness of a LCG
probability
hypothesis-testing
self-study
distributions
statistical-significance
Difference between contextual anomaly and collective anomaly
self-study
anomaly-detection
Proof: Unbiased Correlation Estimator
self-study
correlation
mathematical-statistics
estimation
unbiased-estimator
What is meant by "let $X_2$ and $v$ be the residuals obtained from regressing $X_3$ on $X_1$"?
regression
self-study
multiple-regression
What is the difference between period cycle and seasonality?
time-series
self-study
In PCA, do we have to center and normalize eigenvectors or solely to normalize them?
self-study
pca
Sufficient Statistics for Hierarchical Model
self-study
hierarchical-bayesian
exponential-family
sufficient-statistics
Expected value of a marginal distribution when the joint distribution is given
self-study
random-variable
expected-value
joint-distribution
Markov Chain - "Expected Time"
probability
self-study
markov-process
Showing that estimator is consistent
self-study
convergence
consistency
Indicator Random Variable
self-study
Kendall correlation between $X$ and $X^2$
self-study
correlation
kendall-tau
A box has an unknown number of tickets..Estimation
self-study
estimation
sampling
An 'easy' exercise on conditional expectations and filtrations
self-study
conditional-probability
expected-value
conditional-expectation
measure-theory
Computing the posterior mean using a Gaussian prior?
self-study
distributions
bayesian
posterior
hierarchical-bayesian
Difference between complete and incomplete designs (DOE)
self-study
experiment-design
computational-statistics
confounding
How to show order statistic is sufficient
self-study
mathematical-statistics
inference
order-statistics
sufficient-statistics
Confidence interval based on MLE
self-study
confidence-interval
maximum-likelihood
Beginner level -- applying machine learning to predict unknown pattern
self-study
classification
prediction
data-mining
How to prove probability problem
probability
self-study
Joint Probability Table and Dependent/Independent Probabilities
probability
self-study
If $X$ and $Y$ are independent Normal variables each with mean zero, then $\frac{XY}{\sqrt{X^2+Y^2}}$ is also a Normal variable
self-study
distributions
mathematical-statistics
normal-distribution
random-variable
Maximum likelihood and sufficient statistics
self-study
maximum-likelihood
What is the derivative of the ReLU activation function?
self-study
neural-networks
How to determine if sample with standard deviation is normally distributed?
self-study
normal-distribution
p-value
sample
small-sample
Hiding a Regression Model from Professor (Regression Battleship)
self-study
multiple-regression
estimation
linear-model
Fisher's Information for Laplace distribution
self-study
fisher-information
laplace-distribution
indicator-function
Finding the expected value for this uniform
probability
self-study
Calculating Joint Probability from Conditional Probability
probability
self-study
How to simplify summation?
probability
self-study
how to get 2/15 as the probability?
probability
self-study
Has this expectation been computed correctly?
probability
self-study
How to calculate conditional variance?
probability
self-study
Marginal densities from joint of beta and gamma
probability
self-study
distributions
mathematical-statistics
effect of population mean on type 1 error rate
hypothesis-testing
self-study
How is the error term related to the dependent variable in a regression model?
regression
self-study
multiple-regression
econometrics
linear
Kaplan-Meier Estimate with no censoring
self-study
survival
censoring
kaplan-meier
Why is there a "2" when deriving the OLS estimator in vector notation?
self-study
least-squares
Confidence-Interval - Proof the Upper and Lower limit
self-study
confidence-interval
inference
Define the joint pmf of a particle moving randomly on a grid
probability
self-study
bivariate
Confidence/credibility intervals for a bernoulli trial
self-study
confidence-interval
bernoulli-distribution
credible-interval
Geometric interpretation of W and b in SVM
self-study
svm
Least squares estimator in a time series $\{Y_t\}$
time-series
self-study
estimation
least-squares
Limiting distribution of random variables with different distributions
self-study
distributions
How to find a random variable that has a given distribution?
probability
distributions
self-study
random-variable
If higher order moment is finite, then lower order moment finite?
self-study
moments
Distribution of extreme values, case of uniform
probability
self-study
uniform
extreme-value
probability of a function of poisson random variable
probability
self-study
distributions
mathematical-statistics
Is $y_t=\beta_0+\beta_1t+z_t$ stationary?
time-series
self-study
arima
stochastic-processes
stationarity
MLE uniform distribution with varying supports
self-study
maximum-likelihood
Statistic T-Test & T-table
self-study
statistical-significance
Gelman & Hill ARM textbook, Question 3.2, R-squared
regression
self-study
r-squared
Find the probability that in a group of 23 people, exactly 3 people have birthdays on the same day
probability
self-study
combinatorics
An example: LASSO regression using glmnet for binary outcome
r
self-study
lasso
Calculate for the standard error
self-study
standard-error
Order statistic, probability
self-study
order-statistics
Finding Bellman equations for a specific policy
self-study
Alternative to The Elements of Statistical Learning: Data Mining, Inference, and Prediction
machine-learning
self-study
references
Meaning of "baseline age" in a medical study
self-study
terminology
Given E(x) check if u is an unbiased estimator
self-study
estimation
If we consider a model of stock price where the prices at time $t=1,2$ are $S(t,\omega)=S(0)(\frac{1}{2}+t\omega), \omega\in\Omega=[0,1]$
probability
self-study
distributions
random-variable
Effects of different changes on test statistic
self-study
t-test
sample-size
sample
MME for exponential family
self-study
exponential-family
point-estimation
method-of-moments
how to prove SST follows a chi-square distribution with (m−1) degrees of freedom
self-study
anova
Proof of variance of stationary time series
time-series
self-study
variance
stationarity
Questions about confidence intervals
self-study
confidence-interval
Playing hands from limited sized decks
self-study
Identity relating Bayes risk to bias
self-study
bayesian
mathematical-statistics
Determining an MLE
self-study
maximum-likelihood
point-estimation
Moment Generating Function - Negative Binomial
self-study
moments
mgf
Find mean and variance of random variable using moment generating function
self-study
mathematical-statistics
descriptive-statistics
moments
mgf
How to prove three properties of the moment generating function?
probability
self-study
expected-value
moments
mgf
CDF of Z=XY with X~Uniform(0.5,1.5) and Y~Uniform(0.8,1.5)
self-study
distributions
uniform
cdf
convolution
Question about unbiased estimate for $P(X<a)$
probability
self-study
estimation
Question regarding derivation of variance for AR(1) when rho is less than 1
time-series
self-study
variance
covariance
autoregressive
Showing sufficiency using the Fisher-Neyman factorization theorem
self-study
bayesian
sufficient-statistics
Mean and variance of a vector $W = (X', Y')'$
self-study
variance
mean
gaussian-mixture
multivariate-normal
Help understanding Linear Model in ESL book
regression
machine-learning
self-study
linear-model
MLE for variance of a lognormal distribution
self-study
inference
point-estimation
Misinterpretation of statistics: falsely accused
hypothesis-testing
self-study
statistical-significance
references
Calculate probability using tree diagram and bayes theorem
probability
self-study
bayesian
conditional-probability
graphical-model
Is it normal for the Kolmogorv-Smirnov p value to fluctuate when using randomly generated data?
self-study
kolmogorov-smirnov
good lightweight conceptual/mathematical introduction to Bayesian statistics?
self-study
bayesian
references
Detecting Change in Usage Patterns of an Application
self-study
bayesian
anomaly-detection
How can I compute the lower and upper bounds of a confidence interval in a linear regression problem?
regression
self-study
confidence-interval
psychology
mathematica
How to know if a data follows a Poisson Distribution in R?
r
self-study
poisson-distribution
poisson-process
Moment generating functions of continous random variables at 0
self-study
mathematical-statistics
How do you calculate the mean and variance of a random var with a distribution function that has a parameter with its own distribution function?
self-study
variance
mean
markov-process
poisson-process
Basu's Theorem Proof
self-study
For Multivariate Gaussian Mixture Models, What will happen if all mixing probabilities are equal?
self-study
gaussian-mixture
Voting between classifiers : How to prove it works?
machine-learning
self-study
classification
ensemble
voting-system
Calculate market share based on probability
r
probability
self-study
distributions
python
How can I calculate t-score without knowing true population mean?
self-study
inference
standard-error
Why does MAP converge to MLE?
self-study
bayesian
maximum-likelihood
convergence
CRBD design question about difference of means
self-study
experiment-design
blocking
K-means algorithm to K-lines algorithm
self-study
k-means
Zero-mean RV $X$, probability of being positive using moments
probability
self-study
moments
probability-inequalities
Model selection and estimation for pseudo out-of-sample forecasting
time-series
self-study
forecasting
model-selection
autoregressive
draw roc curve on an example of 10 probability scores
machine-learning
self-study
roc