Revert "Update the data processing file"

This reverts commit 0a34eb1.

data-raw/ml100k.R

@@ -1,7 +1,6 @@
-### Code to prepare `ml100k` dataset goes here
+### code to prepare `ml100k` dataset goes here
 
 ## Movie rating data
-
 u_data <- read.table(
  "https://files.grouplens.org/datasets/movielens/ml-100k/u.data",
  sep = "\t", header = FALSE
@@ -25,7 +24,6 @@ u_data_matrix <- Matrix::sparseMatrix(
 # head(u_data_matrix)
 
 ## User information
-
 u_user <- read.table(
  "https://files.grouplens.org/datasets/movielens/ml-100k/u.user",
  sep = "|", header = FALSE
@@ -42,7 +40,6 @@ colnames(u_user) <- c("Age", "Gender", "Occupation")
 # dim(u_user)
 
 # Movie genre information
-
 u_item <- read.csv(
  "https://files.grouplens.org/datasets/movielens/ml-100k/u.item",
  sep = "|", header = FALSE

data-raw/neocortex.R

@@ -1,5 +1,4 @@
-### Code to prepare `neocortex` dataset goes here
-
+### code to prepare `neocortex` dataset goes here
 # Bulk gene expression data (microarray platform) used in the MFAI paper
 
 # Set the path for raw data