You can set the sort order of messages? Just click on the link in the date column. Your preferences will be remembered, so you don't have to do it again when you return.
I have created a sample size calculator. The purpose was very simple. Suppose you are going to send campaign mailers to a group of people. Now how many people...
Dear Shailendra, Kindly provide the following info to help you in a better way: 1. Objective of your study/project. 2. Details of data viz. number of readings,...
helo, If we have data using the likert scale, what kind of analysis can we do onto it? thanx. ... http://in.groups.yahoo.com/group/Statisticians_group/ ... ...
Darryl: I'm currently fiddling with SPSS to try to get it to do my bidding. Thank you so much for your help. You have a really extensive knowledge of...
hi, i have this data (-1,12), (0,5) ,(1,1), (2,-1) (3,2), (4,7),(5,14) for this data when applying PROC CORR procedure i got correlation coefficeint is '0.15'...
Rebecca What I mentioned is sometimes called the Cochran-Armitage test. The Q doesn't test for trends. There are also the Chi-square Test for Trend, ...
Darryl.Bertolucci@...
Apr 5, 2006 2:33 pm
1238
Hi, I have a table with column start_date. This start_date is in DATETIME
format. Now I want to have it in DATE format for better readability. How can I do...
Yes, you can---but it's a really bad idea--and should be avoided. See Harrell ("Statistical modeling strategies"). SR Millis Ravi <ravi.ece@...> wrote: ...
p=.8651---meaning that the correlation of -.13 isn't statistically significant from 0 (p<.05). SR Millis battula_ramakrishna <battula_ramakrishna@...>...
hi, friends , i am shailedra gour and i am doing my project in M.P.pollution control board in indore and what i do on air pollution deta of indore city please...
Hey guyz, I'm just curious, in contructing a likert scale in the questionniare there must be a provision of a one neutral level in every scale. My question...
hi, Iam new to SAS.And iam from statistical background.I have one doubt regarding PROC REG procedure in SAS. In PROC REG procedure what is mean by pr>|t|,...
hi, I have some nominal data in text document. so in that data 'sex' variable have the values '0' and '1'. '0' indicates male and '1' inidacates female. so i...
maybe you are referring to PROC REG, for as far as iknow, there is no PROC REGG in SAS. can you please be more specific in what part of the output pr>|t| ...
when do we use sqrt(pq/n) sqrt[pq/(n-1)] sqrt(npq) sigma/sqrt( n) sigma/sqrt(n-1)? can someone illustrate to me the big picture? im confused with which...
Darryl: It's funny because I completely spaced that there are individual records (hence a *percentage* of something, eh? looks like I need more coffee!). The...
Yes, it depends on the tails. If F is short tailed, and a is great, i agree that the mgf inequality is better than Cebychev's one. But in general? I do not...
hi, Iam new to SAS and iam from statistical background. I have one doubt regarding 'PROC REGG' procedure, in the output corresponding this procedure what is...
Some other inequalities you might be interested in are Gauss inequality (that assumes a unimodal distribution), or the following MGF based inequality: Prob[ X...
Rebecca, 1. It's only the one observation per year -- the percentage is the number of students who complete a certain course Patrick is correct, I was asking...
Darryl.Bertolucci@...
Apr 3, 2006 4:17 pm
1219
hi, Actually standard deviation is one of the measurment of dispersion. It measures the deviation of the values from the cetral value that is mean. In u r...
Hi, This Chebychev's (or Tcebyshev's... spelling varies from book to book; not sure what is the right) inequality P(|X-EX|>t)<=var(X)/t^2 holds for all X which...
Hi Vincent, Your question is very basic but good. Throgh standard deviation we can judge the spread (or scatteredness) of the records from the mean value 67. ...
Rebecca, In regard to point 1, I think that Darryl's question was: How many students per year? With that information you can calculate confidence intervals...
