Description:
Statistics from a strictly mathematical viewpoint.
|
|
|
Meaning of (Pearson ) correlation: what is being measured.?
|
| |
Hi, everyone: I am trying to understand better just what it is that is being measured by Pearson correlation. I know formally that , given values X1,..,Xn and Y1,..,Yn (i.e., values taken from quantitative variables X,Y on the same case. ) , that the coeefficient r measures the degree to which linear change in Y follows from change in X. But I... more »
|
|
|
Benford's Law ?
|
| |
Hello, Not a mathematician, but have been reading up a bit on Benford's law. Trying to understand it. Particularly its limitations. Glad I found this Group. Questions: a. If we assume we have a truly random distribution of numbers, does the law apply ? b. In general, can someone please outline the limitations of the law,... more »
|
|
|
Basic Question: What Does Variance Measure.?
|
| |
Hi, everyone: Just curious about variance: I think I understand that/how standard deviation measures spread for "reasonable" data(mostly symmetric, no outliers). I just cannot see just what information we get by squaring the st. dev. Other than getting the square of the avg. deviation. Still, once we know... more »
|
|
|
Hypothesis test on time serial data
|
| |
Is there any hypothesis test can be used to detect significance between two datasets consist of time serial data, for instance, the intensity value of protein against time under different condition (FLIP-FRAP data per se). I am currently performing a standard KS-test between the average fitting curves of two dataset, which I knew has not been discussed in the application of the KS-test. I also tried to calculate the mean value for each curve and perform a Student T-test on the two curve-mean datasets, but it does not reject null hypothesis even two curves are totally different.... more »
|
|
|
｡◕０◕｡ 2010 Cheap wholesale True Relig Jeans at website: http://www.rijing-trade.com <paypal payment>
|
| |
Cheap Wholesale Jeans (paypal payment) Cheap Wholesale True Relig Jeans (paypal payment) Cheap Wholesale True Relig Jeans (paypal payment) Cheap Wholesale others Jeans (paypal payment) ╃Men Size 30,32,34,36,38,40 Women Size 26,27,28,29,30,31 Cheap Wholesale Jean Wholesale True Relig Jeans (paypal payment)... more »
|
|
|
|
