Deep dive into apply() for matrices and high-dimensional arrays. From basic row/column operations to complex fMRI analyses with 5D data. Learn to master the MARGIN parameter for neuroimaging and scientific computing.

Learn when and how to use mapply for applying functions with multiple varying arguments. This guide shows practical examples of processing data when you need to pair multiple inputs element-wise.

Learn to replace loops with vectorized apply functions in R for efficient data manipulation. This guide covers converting loops to functions using sapply and mapply, enhancing your programming skills by making code more readable and less error-prone.