single_variable_df_check: Function to check if a single variable data frame is valid
Description
Function to check if a single variable data frame is valid
Usage
single_variable_df_check(df, name)
Value
None. The function raises an error if the checks fail.
Arguments
- df
Data frame containing 'batch', 'order', and 'value' columns.
- name
Name of the data frame for error messages.