(image from: funny-pictures.picphotos.net) I like heavy metals, but this song always boosts my mood, every time, every version of it. Called “Valerie”, this was an…
Author: DasaptaErwin
Going Quezon City
Just received acceptance letter paper for oral presentation on the 1st International Conference and Workshop on Environmental Science, Quezon City, Philippines., November 2014. Topics: spatial…
The most frequently used statistics in geology: an RG discussion
(image of pebble masses plot from: arrowsmith410-598.asu.edu) Dear friends, this post was originated from my question in ResearchGate network. I teach basic hydrogeology at undergrad level at…
Buat Penyuka VW
Buat penyuka VW Model ini generasi berikutnya setelah VW Bus yg terkenal di Indonesia sbg VW Kombi. View on Path
A new paper on water interaction
Dear friends, I just submitted a paper Water interaction in urban-riverbank area: preliminary analysis Pratama, A., Pratama, W.A., Ardi, R.D.W.., and Irawan, D.E.* for the…
WTF: Proposal submitted: what next ?
(image from: artofnfp.org) Oleh: Dasapta Erwin Irawan September 30, 2014 Note: I made this post as a reflection of several posts from my students on their…
R Part 3: Data in R
(Image from: www.geek.com) How many data types that can be handled by R? Part 3 of R for beginners in Indonesian language di http://goo.gl/Q0pptD Jenis…
High dimensional data
High dimensional geological data Geology data is known to have high dimension. Rock properties, hydraulic properties, etc. The dataset would likely having many variables (columns)…