Top "Nan" questions

NaN is an abbreviation for "Not a Number". NaN is sometimes not equal to itself.

Why does Double.NaN==Double.NaN return false?

I was just studying OCPJP questions and I found this strange code: public static void main(String a[]) { System.out.…

java floating-point nan scjp ocpjp
Tensorflow NaN bug?

I'm using TensorFlow and I modified the tutorial example to take my RGB images. The algorithm works flawlessly out of …

nan tensorflow
how to test if a variable is pd.NaT?

I'm trying to test if one of my variables is pd.NaT. I know it is NaT, and still it …

pandas unit-testing datetime nan
Python/Pandas: counting the number of missing/NaN in each row

I've got a dataset with a big number of rows. Some of the values are NaN, like this: In [91]: df …

pandas count row dataframe nan
Check if single cell value is NaN in Pandas

I just want to check if a single cell in Pandas series is null or not i.e. to check …

python pandas nan
How can I plot NaN values as a special color with imshow in matplotlib?

I am trying to use imshow in matplotlib to plot data as a heatmap, but some of the values are …

python matplotlib nan
remove row with nan value

let's say, for example, i have this data: data <- c(1,2,3,4,5,6,NaN,5,9,NaN,23,9) attr(data,"dim") <- c(6,2) …

r nan data-manipulation
Pandas DataFrames with NaNs equality comparison

In the context of unit testing some functions, I'm trying to establish the equality of 2 DataFrames using python pandas: ipdb&…

python pandas equality nan
Passing a form-variable into the onsubmit field?

I am trying to verify the contents of a form before sending it. Basically, I'm trying to work with the …

javascript forms nan onsubmit
Comparing NaN values for equality in Javascript

I need to compare two numeric values for equality in Javascript. The values may be NaN as well. I've come …

javascript comparison equality nan