Last week from 20th to 21th of May Tartu hosted Eurachem yearly workshop with the topic of “Validation of targeted and non-targeted methods of analysis”. These two days were filled with exciting presentations, insightful discussions and joy of meeting new and old friends and collaboration partners. What is happening in the field of non-targeted analysis? Eurachem […]
Tag Archives: statistics
03
Jan
Jan
The word cloud of IMSC 2018 topics reveals that quantitation and bio-samples are currently highly important topics in the mass spectrometry. What would be a better start for 2019 than to have a look at where we are standing to set the goals for the upcoming year? At the end of 2018, I gave a […]
31
Jan
Jan
In this post I am going to talk about p-value. You can either watch the illustrative video or read my thoughts below. Enjoy! This week p-value made it to the Science news feed. The whole story started already in the middle of last year, when Bejamine and coworkers published in Nature Human Behaviuor a […]
In my statistics course, similarly to I guess all other teachers concerned in calibration, I teach that for instrumental analyses weighted linear regression should be used. Why? Non-weighted linear regression (the one we can use with LINEST, SLOPE and INTERCEPT in excel) assumes same signal precision (repeatability standard deviation in other words) for all concentrations […]