Check if the sample type is valid. The sample type is valid if it is one of the elements of the VALID_SAMPLE_TYPES vector. The valid sample types are:

c(ALL, BLANK, TEST, NEGATIVE CONTROL, STANDARD CURVE, POSITIVE CONTROL).

is_valid_sample_type(sample_type)

Arguments

sample_type

A string representing the sample type.

Value

TRUE if the sample type is valid, FALSE otherwise.