Stephen Sciberras

6 Questions 2 Answers 0 Followers

Questions related from Stephen Sciberras

Using R TAM package, how can I plot adjusted marks vs observed marks?

I am using Rasch modelling with TAM package in R. I have a many facet model, with nearly 3,000 candidates, across 325 examiners. The scores range from 0 - 2. I want to plot adjusted (expected?)...

23 March 2024 7,149 0 View

Using the Taqman PCR, how does one know which allele is being determined by VIC / FAM?

I am exploring a number of SNPs, unfortunately although the test are ok, I am perplexed because my preliminary results are nearly all against what is reported in the literature. To confirm my...

30 January 2021 4,258 2 View

Help needed on realtime PCR results, using Rotor Gene Q. How do you classify Homozygotes from Heterozygotes from human DNA sample?

I am exploring genetic factors in relationship to an outcome after six months, and have identified around 20 SNPs. I have done the lab work, and now have finished analysing the data. However,...

29 January 2021 1,668 0 View

How do you analysis haplotypes in R?

I have a series of SNP's that I have investigated. One of them is the COMT, of which a particular haplotype is commonly quoted in the literature. I had collected blood samples for DNA analysis in...

29 January 2021 6,247 3 View

Does anyone have experience with the Imacor htee?

At our local ITU, we are considering introducing a Transoesophageal echo, together with transthoracic. We have been discussing a number of options, namely upgrading our portable echo machine...

03 June 2013 6,615 1 View

With regards to the respiratory section of the SOFA score, how do you score someone with a low p/f ratio without mechanical ventilation?

The Sofa score uses the P/F ratio to classify the severity of the respiratory compromise of a patient. However, scores 3, 4 require that a patient has respiratory support, but this is not clearly...

02 June 2013 3,128 0 View