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Yuval Spiegler
  • Member for 5 years, 8 months
  • Last seen more than a week ago
45 votes

How do R and Python complement each other in data science?

12 votes
Accepted

Interpreting R coxph() cox.zph()

10 votes

How to use time dependent covariates with cox regression in R

8 votes

Extended Cox model and cox.zph

4 votes

Book about statistics lighter than academic ones

4 votes
Accepted

Multiple Regression - Testing for multicollinearity

4 votes
Accepted

How to model survival panel data in R?

3 votes

In what cases is it OK to use categorical predictors with many levels in regression?

3 votes

R - Plot multiple regression line with confidence intervals with ggplot2

3 votes
Accepted

Creating interaction variables - Do we always have to "center" the variables first?

3 votes
Accepted

regression models for population

3 votes
Accepted

Can Cox models be used with time-varying covariates?

2 votes
Accepted

Is age interval scale?

2 votes
Accepted

Stepwise regression for ordinal dependent variable with 3 levels

2 votes

If the fitted hazard ratio from a Cox model is approximately 1, does that mean the covariate is not significant?

2 votes

Comparing 2 nominal variables

2 votes

Is there a difference between the $R^2$ statistic of a linear regression and pearson correlation?

2 votes

Multiple Regression with Categorical Variables - How to evaluate the Omitted Values?

2 votes

Calculate c-hat from coxph model

2 votes

ols - large effect size and low Rsquare

2 votes

What is this R code doing?

2 votes

Time-dependent coefficients in a Cox model with categorical variants

2 votes
Accepted

interaction terms are 0 in linear regression

2 votes

Correlation plot with one categorical variable and rest continuous

2 votes

Calculate Schoenfeld residual for testing data?

1 vote

Multiple nominal categories predicting a continuous variable

1 vote

Importance of Categorical variables in regression

1 vote

Regression Hypothesis Testing for multivariate models

1 vote

How should I set up my data collection form in preparation for Cox analysis?

1 vote

What test for repeated measurements with binary outcome?