search for: constrants

I am looking to create what I would call a "simple variation" on the boxplot. What I would like to do is to be able to plot the upper and lower confidence limits as the "box" and the 10th and 90th percentile as the whiskers. What I have done is write the code to create a dataframe, the columns of which are the mean, sd, 10th percentile, 90th percentile, lower confidence limit

Can anybody help me to run the Elasticnet package of R to build some model, i am a freshman to R language , when i use the Elasticnet package to my data, it always reture a error, but i can't settle that problem. I consider if there is any constrant of the data to that package? Can anyone help me to run the elasticnet and check my data as you convenient? I put the data in attachment. Thank

...[t-p] + e[t] + b[1]e[t-1] + ... + b[q]e[t-q] but in my recent data model, i met a problem. In the ARMA model, p and q are fixed, but there are some constraints in the parameters a[i] and b[j], such as for some i (i<p), a[i]=0. my problem is how to get these parameters' estimation for these constrants with arima() function? or i need to write functions to realize it. Best regards, Tongen from Beijing _________________________________________________________________ [[alternative HTML version deleted]]

is it correct that even if the database doesn''t support or tables were not configured for Foreign Keys and / constrants , that you can still manage the relations using Rails, using model methods like, "belong_to", "has_one", and "has_many"? TIA Stuart -------------- next part -------------- An HTML attachment was scrubbed... URL: http://wrath.rubyonrails.org/pipermail/rails/attachments...