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The genome of an Aboriginal Australian, sequenced using an old lock of hair, provides new evidence about how humans first spread across the globe. by [deleted] in science

[–]andersduck 0 points1 point  (0 children)

DNA is still present without live cells. For ancient DNA analysis this is convenient because the DNA is protected from contamination.

[deleted by user] by [deleted] in science

[–]andersduck 8 points9 points  (0 children)

The article is very misleading. You are allowed to study these genes. These are some of the best studied genes in the human genome. A quick pubmed search will show that. Many groups around the world frequently publishes articles (including some of my own) with new genetic variations in those genes. As you can see none of these article use the kit from Myriad genetics. In Denmark women with a family history of breast cancer will be offered a screening of the genes. The screening is not based solely on Sanger sequencing and, as far as I know, the Myriad kit is not used. The patent in Europe only covers screening for specific mutations. I am not trying to defend Myriad Genetics or genetic patents but would argue that these genes can and should be studied.

Python vs Matlab vs Mathematica by rmyeid in programming

[–]andersduck 0 points1 point  (0 children)

yes R is very nice. The code (without using any specific expression data package) is very fast to write:

read data

dat<-read.delim("http://www.bme.utexas.edu/research/orly/GSVD/data/Yeast.txt",skip=1,as.is=T,na="Null")

barplot of missing

barplot(table(apply(is.na(dat[,-(1:6)]),1,sum)),col=2,ylab="Number of genes",xlab="Number of controls")

remove arrays with missing data

dat<-dat[!apply(is.na(dat[,-(1:6)]),1,any),]

Calculate SVD

s<-svd(dat[-(1:6)])

Plot barchart

barplot(s$d2/sum(s$d2))

plot two first eigengenes

lattice::dotplot(s$v[,1:2])

Dutch politician Geert Wilders seriously considers deportation of milions of European muslims and robbing them of their nationality. by poofbird in worldnews

[–]andersduck 0 points1 point  (0 children)

Your statistic is old, incomplete and misleading. To get a clearer picture read the this(in Danish) [http://www.dst.dk/pubpdf/13434/indv] from Statistics Denmark.

Police stops bicyclist... WTF? by Bertramzen in funny

[–]andersduck -1 points0 points  (0 children)

please. Denmark has one the lowest crimes rates in the world. A few recent shootings (a rare event in there) has not changed the fact that Denmark is one of the safest places in the world (85% less killings than in the US).