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Questions tagged [qcc]

a program used to call gcc, providing locations of libraries for appropriate targets, reworking some of the options to be more like Posix, etc.

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In which cases should i use the standard deviatiation "MR" and "SD" in a x.one.bar chart

I cannot really understand the real usage of those types of standard deviation and the information that i get in the qcc manual is sometimes confused. I used the example provided in the qcc manual but i don't know for which one i choose and what is…
Duban Castillo Cárdenas
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How does it works the argument run.length of the fuction qcc.options

I've been trying to understand what is the real use of this argument. In the qcc documentation it writes "the maximum value of a run before to signal a point as out of control" but that concept really confuses me. I have notice that default value…
Duban Castillo Cárdenas
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How to extract or calcualte special cause variations shown in a qcc chart (xmr, spc)

I created a qcc chart in R and would like to hold the special cause variations from the qcc chart in variables for use else where. I have tried to extract the special causes for chart 'Number beyond limits' and 'Number violating runs' with no…
henry
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How to render qcc plots to HTML using RMarkdown and knitr

First SO question so please go easy. I am running the qcc package with Rstudio and I would like to create a report on the graphs that I am generating. I have no problem generating the graphs and exporting each individual graph to pdf for example. I…
mikeykiely
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Coverity error: unable to run native compiler sanity test for qcc

I am trying to setup coverity in my system, while configuring the compiler I am getting the below error: I have uninstall the setup and try to install freshly but no luck yet. Any body has any idea?
user3530616
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How do I use loop (for)

I'd like to use loop function in R with following code: pc01 <- qcc(matrix(cbind(dta02[1:length(dta02)-1], dta02[2:length(dta02)]), ncol = 2), type = "R") pc02 <- qcc(matrix(cbind(dta02[1:length(dta02)-1], dta02[2:length(dta02)]), ncol = 2), type =…
jhyeon
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Adding line to plot in qcc Control Chart

I have a control chart below that I am plotting from the data random (data sample posted on the bottom), All what I am trying to do is add a horizontal line that I specify the value of to this control chart. I tried looking at new.data to add in…
Ash A
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Cross-compiling boost 1.60.0 internal dependency issue

I can successfully cross-compile boost on windows targeting QNX OS (x86) using the following command: b2 toolset=qcc target-os=qnx threadapi=pthread However, of some reason, it seems like the resulting library files don't link correctly to the…
A.Fagrell
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Improving QCC statistics calculations in R

I have the need perform QCC test on subsets of data in a loop. Plotting is not important but calculation of LCL, UCL and tagging of data points that are out of limits and violating Shewhart rules is. The input data is organized in a DF as show…
Hari Vattyam
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SixSigma -> ss.study.ca Error: Unknown parameters: binwidth

I have tried to do some capability studies using SixSigma package with function: ss.study.ca(). However I get an error: Error: Unknown parameters: binwidth Even trying the example: ss.study.ca(ss.data.ca$Volume, rnorm(40, 753, 3), LSL…
Mal_a
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Hide Points When Using ewma in the qcc Package in R (Control Charts)

Tried q5[4]<-NULL twice since they hold the values for the points I want to get rid of but then I get an error saying that the 'x' and 'y' lengths differ. I want to hide the "+" points in the following chart: Here's the…
CanofDrink
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Variable has incomplete type in class definition?

I've got this class definition in a .h file, and the implementation in a .cpp file. When I try to compile this, the header file gives some errors and warnings: /home/don/BerthaApex/apex/src/lib/apexmain/apexloader.h:6: error: variable…
DrDonut
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How to create x-labels in this xbar

I am using the qcc library to create an xbar. When I use the following values it works: data <- c(4.74, 8.71, 7.01) qcc(data, type="xbar.one", center = 2) I however also want to plot values on the x-axis. So instead of saying 1, 2, 3 it should say:…
Marc van der Peet
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qcc pareto.chart: bars are squashed - how to adjust the y axis?

I've produced a pareto.chart using the QCC package in R. In the default plot, the Y axis is scaled too large & for that reason the bars are too small. Most of the plot is wasted to empty white space. I assume this is a result of the long tail…
Keith Helfrich
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R: Plotting multiple qcc::cusum charts in one display

I am new to R and I am trying to plot multiple CUSUM charts in one display. I have tried par(mfrow=c(2,1)), layout(), cowplot() and it did not work. The function mentioned does makes the 1st CUSUM chart smaller and be plotted like normal plot();…
Marco M
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