Sources with the BigML Dashboard
6.5 Missing tokens
You can specify a list of tokens that will be considered equivalent to a missing value. By default, BigML recognizes the following ones:
""
-
?
NA
NaN
NIL
NULL
N/A
na
null
nil
n/a
#REF!
#VALUE!
#NULL!
#NUM!
#DIV/0
#NAME?
#N/A
You can alter the list at your own convenience using the corresponding input.