The threats to internal and external validity and their effects on research validity.
Think about parent involvement in school. Its benefits and challenges to both students and parents.
07 August 2016 7,774 2 View
05 June 2016 2,500 13 View
For an overfit data set the cross validation error will be much bigger than the training error. Is it true or false?
23 February 2021 3,616 2 View
Hi Everyone, I am a bigginer in western blotting and I am trying to use it for validation of my proteomics data. I have: two regulated proteins with molecular mass of 40 and 73 kDa one control...
23 February 2021 6,671 4 View
We have deposited silicon carbide on carbon substrate using one PVD technique. Due to amorphous behavior of SiC at low deposition temperature, we performed heat treatment of those films at...
22 February 2021 2,072 3 View
We are planning to run a study validating a commercially available product (i.e. software) and while we initially planned to do it independently of the manufacturer, they heard about our intention...
17 February 2021 2,295 3 View
I need to determine the open formula of our complex, presumably consisting of sodium tungstate Na2WO4 and aluminum sulfate Al2 (SO4) 3. Our problem is that with an increase in the concentration...
11 February 2021 5,821 1 View
Possibily not an open access journal which does not add any publishing costs once being accepted. Thank you in advance
09 February 2021 717 6 View
I have attempted the formylation of the above mentioned compound using a very well reported protocol using secondary Butyl Lithium and TMEDA at - 78 degrees Celsius. I have done it quite a few...
08 February 2021 2,793 2 View
Dear community, As far as I understand, negative density features point at stuff that is in the model, but not supported by experimental data. However, in many cases (e.g. attached image), when...
06 February 2021 2,847 2 View
Please suggest a suitable reference from I can get information regarding the internal standards and other calculations for bioanalytical method validations for HPLC.
19 January 2021 5,680 5 View
Does it make sense? Is it possible? If not, what is the reason? ( BUT loss function looks quite sensible!) The data splitting method is used for the ANN model. The pics are available here. I...
19 January 2021 431 6 View