Phil Chan (philchan)

MN6 - Decision trees overview

RStudio: how to make predictions with multiple linear regression models

Adding bands to residual plot to help identify outliers in SPSS

SPSS for newbies: finding the most popular combination of ticks in multiple response questions

SPSS for newbies: count number of ticks for multiple choice question

#25 GLM regression - Deviance for normally distributed Y

#24 GLM regression: What's special about the canonical/natural link function in GLM?

#23 GLM with geometric response - likelihood, score function, information matrix

#93: Sum of normals probability example

#22 Binary logistic (logit) regression - likelihood function, score, information

# 21 GLM with exponential response - likelihood function, score, information

# 92 Exponential family member -Gamma distribution, proof

#30 2 events cAn NoT be simultaneously independent AND mutually exclusive proof

#56 Moment generating function of the exponential distribution |proof | part 1

SPSS for newbies: using syntax to quickly re-run all output after editing data

#90 Exponential family (1 parameter) - Sufficient statistic, proof

#69 Pull out (taking out what is known) property of conditional expectation- example and proof

#82 Convergence in probability does not imply convergence in mean square example

#39 Square of a standard normal variable is chi-squared - proof using cdf method

#20 Ordinary Least squares (OLS) regression line by hand, and use of regression explained

Statistics with R: How to redirect textual output to a file in R using sink()

#17 R-squared and adjusted R-squared in regression explained

GLM in R: Poisson regression with categorical Xs| biostats data |part 1

#80 Geometric distribution is the ONLY discrete distribution with memoryless property - proof

#66 Law of Iterated Expectations (Double expectations formula) example

2 mutually exclusive events can not be independent - proof

#65 Law of Total Probability example

#78 Convergence in probability using Chebyshev's inequality

Rstudio: making predictions with regression (simple linear)

#43: Law of interated expectations ( Law of Total Expectations/Double expectation formula) proof

R project tutorial: how to create and interpret a matrix scatter plot

#4 OLS for multiple linear regression, inverting a 3x3 matrix

#31 Existence of a moment implies existence of lower moments proof

#13 Probability density function of a monotone transformed variable using change of variable method

Why stepwise regression sucks (Q&A)

Mistakes students make in defining bias of an estimator

SPSS for newbies: Why having a high R-squared in regression could be a bad thing

Rstudio - an introduction for data analysis

#77 P(X=a)=0 for continuous random variables proof

#70 Cumulative distribution function, cdf, from a probability density function - simple example

SPSS for newbies: Changing a scale/continuous variable to a categorical variable

Interpreting the normal QQ-plot

Statistics with R: Convert data type FACTOR to NUMERIC and similar operations

Statistics with R: How to convert a continuous variable to a factor (categorical variable) part 2

#88 Cramer-Rao lower bound(CRLB), efficient estimators, MVUE, example

Mann-Whitney U test interpretation in SPSS

SPSS for newbies: Data entry for multiple response questions, "Tick boxes that apply" ✔

#73 Cumulant generating function method for finding E(X) and Var(X) - proof

SPSS for medics: Kaplan-Meier survival curve analysis

#40 Transformations: Distribution of a function of a discrete random variable

SPSS for beginners: quickly locate variables you want when data contains many many variables

Differentiating implicit functions with examples in economics

#34 E(XY) = E(X)E(Y) if X and Y are independent proof

#32 Chebyshev's inequality - a gentle introduction

2 independent events can not be mutually exclusive - Proof

SPSS for newbies: Name your variables by completing "Name" and "Labels"

SPSS for newbies: Normal Q-Q plot