fill Nan based on range of values in a column

Question

I have some data in a column read from a csv file using pandas. It consists of values ranging between -1 enter image description here 1520 to +2000. I want to fill Nan, if the value is less than +550 and greater than +1800. How can I do This.

Answer 1

try this

df.replace(df.loc[(df['Sensor_data(N)']<550) or (df['Sensor_data(N)']>1800)],'NaN',inplace=True)

feel free to ask if any doubt