Hi,
I'm astudent in hydrobiology and I actually work on river's discharge and try
to extract from my data the seasonal and trend components. I use STL function
but I have several problems in understanding what this function have done.
I'd like to know what means the IQR results which gave me some % about the
seasonal component, trend component and the remainder component.
Moreover, the graphic representation of "stl" function change the scale
between the different part of the plot, my data have the good scale but the
seasonal, trend and remainder component have an other scale. My data scale vary
from 0 to 150 (m3/day), the trend scale go from 0 to 25, the seasonal scale
vary from -10 to 20. Is that normal? has a change of units occur? what does it
means?
Thanks for your answers.
Victor.
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