R codes and Programming
Practical way to label factors
```
library(memisc)
labels(anemia$anem)<-c("not anemic"=0, "anemic"=1) #library memisc
```
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Introduction to the Analysis of Survival Data in the Presence of Competing Risks
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4741409/
Regression model with variables with different lengths
Sometimes when you are running a regression model with variables that have different lengths, r will prompt with the following error message...
Using splines to check linearity between predictor X and outcome Y {mgcv}
In linear regression analysis, If the predictor X is the numerical variable "calories", then an increase of X from 10 to 30 will h...
How to convert all characters of a data frame to Numeric
``` char_columns<-sapply(merged_data, is.character) #identify character columns data_char_num<-merged_data #replicate data data_c...