Yonatan Sadeh

5 Questions 3 Answers 0 Followers

Questions related from Yonatan Sadeh

Is there a suitable test for SELECTIVE post hoc pairwise comparison?

I have measurements of multiple metabolites from 4 treamtets X 2 species (each combination with several replicates) After doing a 2 way ANOVA (considering the treatments and the species) for each...

31 March 2020 8,401 2 View

How to convert between pH calibration slope measurement error?

Say I need to state the uncertainty of my pH measurement in a +/- # [pH unit] format. The pH-meter calibration result is in the format of %ideal slope. E.g., a commonly used criterion is that the...

03 December 2019 2,322 5 View

What affects sugar stability in Acetonitrile water mixtures?

Hi all, We're having apparent precipitation issues in sugar samples (DP 1-10) left in glass vials inside an autosampler for 1-3 days (we tried maintaining them temperatures in the range 5-35 C)....

25 September 2019 3,799 0 View

How to propagate errors upon averaging measurements of the same quantity?

Hi all, Suppose I have measured the same thing a few times, and each result already has an error associated with it. How do I average the results? e.g. say I made 2 different dilutions of the same...

18 August 2016 237 4 View

Is there somewhere a list of typical root-shoot ratio of common crops?

I'm trying to get just the orders of magnitude of this ratio in different kinds of crops, especially crops where the root is the main storage organ, versus crops that allocate most resources to...

01 January 1970 3,023 7 View