user3091668 questions

• Reordering columns in an R dataframe according to average values
• Substitute NA values depending of position in dataframe
• Repeat the rows in a data frame based on values in a specific column [duplicate]
• Pause and resume caret training in R
• Rename columns by pattern in R
• Add a prefix to all rows in R
• Subtracting two columns to give a new column in R
• Normalization of data in continuous neural network training in R
• Delete duplicate rows in two columns simultaneously [duplicate]
• Limiting the number of decimals in a dataframe (R)

user3091668 answers