Monthly Archives: April 2014

Kurtosis

Leotokurtic: kurtosis>3 Mesokurtic: kurtosis=3 Platyk: kurtosis<3 From wiki: http://en.wikipedia.org/wiki/Kurtosis D: Laplace distribution, also known as the double exponential distribution, red curve (two straight lines in the log-scale plot), excess kurtosis = 3 S: hyperbolic secant distribution, orange curve, excess kurtosis = 2 L: logistic distribution, green … Continue reading

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remove hard Drive write protect

System: Windows XP Hardware: Seagate 80GB portable hard drive Symptom: cannot write files into the portable hard drive Reason: unknown. Probably related to the FAT format of hard drive. Solution: open cmd type “chkdsk g: /f ” (without quotes) (Here … Continue reading

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