does down-sampling mean in math what is the difference between down and sampling how does down-sampling help how to ensure all rows are picked in upsampling does the majority class downsample how to determine if the majority class is downsampled when a data class is down-sampled what does that indicate? what should the majority class be downsampled on can i downsample a majority class can down-sampling be used with imbalanced data how can i guarantee that all rows are picked what is the difference between down and select class how can i assure that all rows are picked is up-sampling used for majority class which class can be used down-sampling why do i downsample can you tell if all rows have been picked at any fold how to ensure that all rows have been picked what is down sampling when to use downsampling for a class