KeepNotes blog

09-19

Miettinen-Nurminen (MN) Test in R and SAS

07-03

Learning Bisection Method

07-03

Shift Value for MCMC imputation in Tipping Point Analysis

07-01

Tipping Point Analysis in Multiple Imputation using SAS

06-26

Simply Understanding Log Rank Test

06-19

Quality control of SDTM using the sdtmchecks package

05-27

Estimated LS-means from Multiple Imputation of mice using emmeans package

05-20

Multiple Imputaton - Linear Regression in R

04-06

使用rtables生成Time-To-Event汇总表

03-05

Common Survival analysis of Oncology trials in R

02-29

Evaluation of Best Overall Response per RECIST in R

01-22

Response Rate and Odd Ratio in R and SAS

12-21

Hypothesis testing of MMRM

12-18

Contrasts and Hypothesis Tests of emmeans

11-26

Hexo迁移 - 更换ECS服务器

10-31

Understanding Mixed Model Repeated Measures (MMRM) in SAS and R

10-13

mcradds R Package

10-12

Releasing R Package to CRAN

08-27

Convert Plots to Editable Format in R

08-20

Multiple Imputation in Non-inferiority and Superiority Trials

08-15

Understanding Multiple Imputation in SAS

07-23

Confidence Limits for a Hazard Ratio

06-26

Simulation-based Inference

05-06

Imputing Missing Data in Clinical Trials

05-06

How to implement two color scales in ggplot2

03-05

Call ChatGPT API or chatgpt package in R

03-05

Four ways to split the column in mutate

02-10

Calculation of follow-up time

01-18

Partial Date Imputation

01-13

R - Add a blank row after each group

12-30

R - Replace NA with Zero and Empty String in Multiple Columns

12-29

Boxplot With Jittered Points in R

12-27

How to save graphs in SAS

09-19

Definition of least-squares means (LS means)

09-12

Conduct an ANCOVA model in R for Drug Trial

09-11

Capturing statistic tables from SAS procedure - SASlearner

09-11

Combine RTF files into one file

09-08

Post-hoc and ad-hoc of statistical analysis in clinical trials

09-08

SAS 数据集操作

08-29

How to insert blank rows - SASlearner

08-28

Example of SDTM and ADaM datasets from the CDISC

08-18

File and Directory Manipulation - SAS&R

05-26

Bland-Altman Analysis

05-06

Non-Inferiority Test for Paired ROC Curves

04-23

Merge and Transpose - SASlearner

04-18

Select N Rows or K-th Elements from Macro Variable - SASlearner

04-13

Handling Duplicates and Missing values - SASlearner

04-11

Displaying Descriptive Statistics for Variables - SASlearner

04-10

Listing Column Names in SAS - SASlearner

04-10

Output Log to Text file in SAS - SASlearner