Néstor

1,560 reputation

313

bio	website	astro.puc.cl/~nespino
	location	Santiago, Chile
	age
visits	member for	1 year, 4 months
	seen	10 hours ago
stats	profile views	188

PhD Student in Astrophysics from PUC, Chile, working in the area of astrostatistics applied to exoplanet detection and characterization and in the area of variable stars. More info about me in my personal webpage here.

	1,560 reputation	bio	website	astro.puc.cl/~nespino	visits	member for	1 year, 4 months
313 badges		location	Santiago, Chile		seen	10 hours ago

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35 Answers

votes activity newest

14	Probability density function between -1 and 1?
9	Is there a difference between the “maximum probability” and the “mode” of a parameter?
8	Eighth order moment
8	Deriving Negentropy. Getting stuck
6	Reversing PCA back to original variables

1,560 Reputation

+5	Implementing ridge regression: Selecting an intelligent grid for $\lambda$?
+5	How to handle samples that belong to multiple classes in supervised learning?
+5	Manually evaluating the DIC: very big number of effective parameters?
+10	$r^2 = 32\%$, $r = 0.59$ How does a (pro) statistician formally interpret this correlation? Strong? Weak?

15 Questions

votes activity newest

10	Implementing ridge regression: Selecting an intelligent grid for $\lambda$?
9	“Central limit theorem” for weighted sum of correlated random variables
6	Ridge and LASSO given a covariance structure?
3	Analogous measure of AIC which uses the posterior distribution for model selection?
3	Testing periodogram “peaks”: sine-like wave or AR/MA/ARMA noise?

75 Tags

30 distributions × 3	9 estimation
20 normal-distribution × 6	8 entropy
16 time-series × 12	8 pdf
15 probability × 4	8 moments
9 bayesian × 3	8 mathematical-statistics