added link to biometric lib in README

Author: jaketheduque

README.md

@@ -9,6 +9,7 @@ This algorithm is derived from the Brainflow SpO2 algorithm, and uses PPG-R and
 Runs the Brainflow algorithm on the provided data folder (which needs to contain a separate .csv file for PPG-R and PPG-IR from the EmotiBit ending in `PR.csv` and `PI.csv`) and saves the calculated SpO2 with timestamps to `calculated_spo2.csv`. Also shows a plot of the PPG data overlayed with the calculated SpO2.
 
 # Performance
+Plots were created using `scorer.py` from the [EmotiBit Biometric Lib repo](https://github.com/EmotiBit/EmotiBit_Biometric_Lib)
 ## [sit-stand-sit_v0.0.0](https://github.com/EmotiBit/Biometric_Validation_Methods/releases/tag/sit-stand-sit_v0.0.0)
 Device | Custom Dataset? | Resample Test | Scatterplot | Mean-Difference Plot
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