HowToImpute HowToImpute_real functions are missing?

[zx8754]

Below page mentions HowToImpute and HowToImpute_real functions, I can't find them anywhere:

https://rmisstastic.netlify.app/how-to/impute/missimp#2_Numerical_experiments_to_compare_the_different_methods

Could you please point me where I can find them?