R what is nan

If we apply the is. In combination with the which R function, we can print the positions of our NaN values to the RStudio console:. And in combination with the sum function, we can count the amount of NaN values in our data:.

We can use the is. If you need some more details, you may also have a look at the definitions in the R documentation:. Math Expert. NaN designates a result that cannot be calculated for whatever reason, or it is not a floating-point number.

The other example is to take a square root of a negative number or perform calculations with infinities that lead to undefined results.

NaN in R is distinct from NA. To check NaN values in R, use the is. The is. Compelling NaN to logical or integer type gives an NA of the appropriate type.

Dataframe consisting of NULL values for each of the column will presented as dataframe with 0 observations and 0 variables 0 columns and 0 rows. Dataframe with NA and NaN will be of 1 observation and 3 variables, of logical data type and of numerical data type, respectively.

Same behavior is expected when dealing with NaN value. On the other hand, different results when using NULL values:. NULLable is also a result when we are looking in the vector element that is not existent, due to the fact that is out of boundaries:. Different results Not Available would be returned when calling a vector element:.

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