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"Live a good life. If there are gods and they are just, they will not care how devout you have been, but will welcome you based on the values you have lived by. If there are gods, but unjust, then you should not want to worship them. If there are no gods, then you will be gone, but will have lived a noble life that will live on in the memory of your loved ones. I am not afraid."

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Oct
23
reviewed Approve Family tree for edible plants?
Oct
20
comment How to measure bacterial content
@Hurda I'm afraid not - I've not used them myself, just found them by searching on the internet. Find one with some good reviews!
Oct
19
answered How to measure bacterial content
Oct
17
awarded  Revival
Oct
17
revised What does conditional analysis of a SNP in a GWA study entail?
More info!
Oct
17
answered What does conditional analysis of a SNP in a GWA study entail?
Oct
11
comment Negative value on linear gene expression in microarrays
Anything below the background threshold is by definition an unreliable signal (i.e. detection P-value > 0.05). The 2 options for dealing with this is either to set values below the background threshold to "missing", or to leave them in but be aware that below the background threshold the values are no longer meaningful (you might do this if, for instance, 60% of your sample were below background for this probe, but the rest were above - this is still meaningful because it means that 60% of your sample express less than the 40%, so you do not want to set them as missing, as this may be relevant
Oct
9
comment Negative value on linear gene expression in microarrays
This is pretty spot on. The "intensity" values you end up getting are relative values to the background levels. These tend to be normalized to an arbitrary value - "100" could be the arbitrary threshold for background, above which you see a reliable signal. A probe with very low intensity could therefore be below 0.
Sep
30
comment Why do some trees have a life span, while some don't?
The answer to (this question) may be relevant to you. I didn't see your question until now, and it is very similar to a recent question I answered!
Sep
28
comment RNA-seq Data on domestic animal with different environment
There's also the ArrayExpress database maintained by the EBI.
Sep
26
answered Why are urban birds still scared of humans?
Sep
24
comment What are the effects of muscle and fat mass on survivability?
Is this question specifically about resilience to falls/impacts? Or does this question also include disease risk? A major factor would be the age of the people in question... for instance, a high BMI is predictive of increased cardiovascular risk when younger, but in aged individuals (>65) a high BMI is actually protective, which may be due to an inverse correlation with frailty, or other complicating factor. Also, if you down-vote, provide a constructive comment for the poster.
Sep
22
comment What would life expectancy be in the western world in the absence of Ischemic heart disease?
This will be a tough question to answer, but people tend to die from one of only a handful of age-related diseases (other deaths are either infection related, accidental, or "rare" diseases).
Sep
22
answered Blood pressure difference while seated and laid down
Sep
21
awarded  Revival
Sep
20
revised Difference In Telomeres Between A Thale Cress Plant And A Methuselah Tree
added 126 characters in body
Sep
20
answered Difference In Telomeres Between A Thale Cress Plant And A Methuselah Tree
Sep
20
comment GWAS: matched-pairs and logistic regression
@Benjamin I find that the published packages are only so useful - they're great for performing simple analyses via an established pipeline - but there is no substitute for creating an analysis that actually fits your data. Unless there truly is an established, published method, it is better to adapt one to your specific situation - all experiments are different and have their own considerations!
Sep
19
answered GWAS: matched-pairs and logistic regression
Sep
14
awarded  Revival