search for: iqcc

...I would like to share a solution with the community. The problem is the (apparent?) inability to produce moving range process behavior (a.k.a. "control") charts with individuals data in the package "qcc" (v. 2.0). I have also struggled with the same limitation in package "IQCC" (v. 1.0). The package "qAnalyst" (v. 0.6.0) provides an option to produce a moving range chart with individuals data. The example given in the qAnalyst manual for function spc yields an individuals chart: > #i-chart, moving range to estimate st. dev. is equal to 2 points with t...

Dear friends: I have just read an article entitled " Monitoring of nosocomial invasive aspergillosis and early evidence of an outbreak using cumulative sum tests (CUSUM)", which is published in "Clinical Microbiology and Infection". We have great need to estimate the fluctuation of incidence of IFI in our hospital. But I don't know the details of the stastical method and

...st that posed the question: Tom Hodgess wrote: "The problem is the (apparent?) inability to produce moving range process behavior (a.k.a. "control") charts with individuals data in the package "qcc" (v. 2.0). I have also struggled with the same limitation in package "IQCC" (v. 1.0). The package "qAnalyst" (v. 0.6.0) provides an option to produce a moving range chart with individuals data. " [It does, but the look of the qAnalyst chart is very different from the qcc chart, and the qcc charts generally provide more information.] To which Filth...

...trees, forests and decomposable models minimizing information criteria such as AIC or BIC, and for displaying the independence graphs of the models. It has also some useful tools for analysing graphical structures. It supports the use of discrete, continuous, or both types of variables. * IQCC (1.0) Emanuel P. Barbosa http://crantastic.org/packages/IQCC Builds statistical control charts with exact limits for univariate and multivariate cases. * marg (1.1-3) Alessandra R. Brazzale http://crantastic.org/packages/marg Likelihood inference based on higher order approximation...