PLACE FOR AXM

These are some introduction Staff about statistics. I am trying to write them in English. Hopefully, these could give you some basic idea about statistics. At the same time I find this is a good way of retrieving and enhancing my own understanding of these statistical concepts. Any comments about statistics and my English will be appreciated.

1. Name: Measure of Central Tendency.
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sorry for that. I am very busy these days. I cannot spend too much time on this now. Hopefully, I could spend half an hour per day.

R example:

Related Topic:

Reference:

Unless you wish your conclusions to depend on the size of the samples, the analysis of variance with unequal sample size should use Type III sums of squares. You should interpret them using marginal averages based on the cell means (i.e. the estimated, adjusted, or least-squares means).

Geoffery Keppel & Thomas D. Wickens (2004). Design and Analysis. ...

对于R语言关于Regression and ANOVA的部分一直都不完全明白。原来想做Contrast Analysis，没有找到用R怎么做。今天又想做Analysis of Covariance. google了一会儿，发现aov可以做Contrast. 但是还是不明白怎么做ANCOVA. 一会儿goole一下GLM in R, 说不定就会把ANCOVA搞活了。

Full-frame Digital SLR.

Picture for Canon EOS 5D

12.72 million pixel photos from a 23.9mm x 35.8mm CMOS sensor; each pixel is 8.2µm square, the same as the EOS-1D Mark II and EOS-1D Mark II N Polycarbonate and stainless steel chassis and magnesium alloy Control layout and overall visual appearance are similar to the EOS 20D 3 fps shooting rate for a Canon-specified 60 Large Fine JPEG, 17 RAW or 12 RAW+JPEG frames ISO range of 100-1600 in 1/3 step increments, plus ISO 50 and 3200 75ms shutter lag specification, 0.2 second camera startup and 145ms mirror blackout time 9-point (+ 6 Assist AF points) autofocus system similar to, but not the same as, the 20D Top shutter speed of 1/8000; a standard top flash sync of 1/200 (rated at 100,000, not the 200,000 of 1DII) 35-zone metering and four metering modes: Evaluative, Center-weighted, Partial and Spot E-TTL II flash exposure control USB 2.0, an N3-type remote socket, PC sync and NTSC/PAL video out 2.5 inch (diagonal), 230,000 pixel TFT rear LCD Picture Style menu for setting Sharpness, Contrast, Color Saturation and Color Tone accepts CompactFlash Type I/II Compatible with the WFT-E1/E1A transmitter and DVK-E2 Data Verification Kit

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As far as the laws of mathematics refer to reality, they are not certain; and as far as they are certain, they do not refer to reality.

--- By Albert Einstein