NaN is an abbreviation for "Not a Number". NaN is sometimes not equal to itself.
Why do comparisons of NaN values behave differently from all other values? That is, all comparisons with the operators ==, <=, &…
floating-point comparison nan ieee-754 iec10967I am trying to run some trading strategies in R. I have downloaded some stock prices and calculated returns. The …
r time-series nan zooIs there a quick way of replacing all NaN values in a numpy array with (say) the linearly interpolated values? …
python numpy interpolation nanI am curious why a simple concatenation of two data frames in pandas: shape: (66441, 1) dtypes: prediction int64 dtype: object isnull().…
python pandas dataframe concatenation nanparseFloat("NaN") returns "NaN", but parseFloat("NaN") == "NaN" returns false. Now, that's probably a good thing that it does return …
javascript function nan parseint parsefloatI have a variable x and I want to test if x is set to NaN. How do I do …
javascript nanHow can I calculate matrix mean values along a matrix, but to remove nan values from calculation? (For R people, …
python numpy nanI am using the following expression to work out a percentage: =Fields!Days.Value/Sum(Fields!Days.Value, "Date_month_…
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