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Barnaby
Zurich, Switzerland
Economist, R learner
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Top Questions
34
votes
Remove columns with zero values from a dataframe
r
data.frame
asked Feb 3, 2014 at 14:40
stackoverflow.com
12
votes
Calculating the mass of a wormhole
mass-energy
wormholes
exotic-matter
asked Jan 30, 2015 at 12:34
physics.stackexchange.com
7
votes
Hidden Markov Models methods for selecting optimal number of states
r
hidden-markov-model
asked Apr 23, 2014 at 11:01
quant.stackexchange.com
5
votes
Add a series of elements in different locations within a vector
r
asked Mar 19, 2016 at 18:45
stackoverflow.com
5
votes
Is the effect of mass density on the expansion of the universe linear?
cosmology
spacetime
space-expansion
density
asked Jun 6, 2016 at 16:02
physics.stackexchange.com
Top Answers
14
Would a Type 2 Kardashev Civilization really build a Dyson Sphere around their own sun?
worldbuilding.stackexchange.com
14
What cataclysm could make an entire interstellar species extinct?
worldbuilding.stackexchange.com
6
Practical Usage of Wavelets with Real Time Data
quant.stackexchange.com
5
How are cryptography and speech recognition technology applied to forecasting financial markets?
quant.stackexchange.com
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