I need to evaluate the trend ability of a medical non-invasive device (for haemoglobin, oxygen saturation, and oxygen content) compared to a "gold standard" laboratory blood analyser (same values but coming form simultaneous blood samples).
I have already done the Bland Altman analysis that shows good 'agreement'.
Now as the device is a real time monitor, I need to evaluate also its trend ability.
I need a specific type of polar plot (Critchley polar plot) and the classic four-quadrant plot.
Total plots required:
4 Critchley polar
Please see a paper attached where the authors have used same statistic analysis
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Hi, I am Ibrahim, and I am a data scientist, I have both experience of more than fifteen years and completed more 150+ projects in Statistics. would love to discuss the rest in chat. Regards, Ibrahim Anjum
Hi, I will be helping you with creating 4 Critchley polar,3 Four-quadrant and can surely help you to evaluate also its trend ability. Kindly send me a message for discussion. Cheers sabah