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Questions tagged [reliability]

Reliability is the ability of a system or component to perform its required functions under stated conditions for a specified period of time.

Reliability is the ability of a system or component to perform its required functions under stated conditions for a specified period of time.

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Building reliably structure from XML file

I need to describe some reliably structures in XML file and than load it into program, parse it, and build boolean function of this structure. Below I attached an image of sample structure. How can I describe this in XML file? Every single part of…
Indigo_heart
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Calculating omega for factor analysis: NA result

I am trying to compute omega estimates after exploratory factor analysis to estimate the reliability of the components I've found. Using the omega() function from the psych package I get this output: Output for omega function Alpha: …
Renan Saraiva
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Evaluating ICC for Reliability Study

I am writing a research study on the reliability and validity of a foot scanning app. I want to evaluate the ICC (intraclass correlation coefficient, absolute agreement) for a couple of datasets I have. In one set, I only measured each person once…
Krishna Basude
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How can I determine if there was a spike in errors recently?

Essentially, I'm working on writing a service that will help us determine if one of the APIs we access goes down. Every API returns a random 500 error or some other weird thing occasionally, so we don't want to alert the world every time we get a…
Jason Baker
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Are we crazy to use node.js for a long running high performance server process with a lot of in memory state?

I work for company X, we've committed, for now, to using node.js (with a type checker) for most backend systems for a bunch of pretty good reasons. We are in the process of fleshing out some pretty complicated and pretty mission-critical streaming…
corsair
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Reverse coding the output for reliability analysis using psych package in R

I am performing the reliability analysis of a psychometric scale which measures user engagement during a video game play. The scale has 28 questions, out of which the ones highlighted in yellow in the screenshot below will need to be reverse coded…
Vipin Verma
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implementing HTTP reliability

My application is a desktop client and a web API application. I am writing both programs. Does the internet discard old requests? Does it make a difference if it is just an old request or a duplicate request? Is retrying HTTP requests the only way…
H2ONaCl
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How do I calculate 95% CI for Krippendorf's Alpha in R?

I'm looking for guidance on how to calculate the 95% confidence intervals for Krippendorf's alpha coefficients in R. I've already calculated the coefficients: key2 <- data.frame("rater1"=as.vector(t(rater1[2,])),…
Erika L
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subsystem configuration

What is the minimum number of subsystems that need to be configured in parallel in order to increase the availability of the entire system to 99% or more, if the availability of each subsystem in the parallel system shown below is 70%? Assume that…
raulgabriel9999
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Guarding against system changes between function calls in Windows

Given some code like this... auto res = GetScreenResolution(); // Can windows change the screen resolution between these calls? // How do you guard against it? DoSomething(res); Can the resolution of the screen be changed between the function…
Brady H
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Sync mechanism to azure search - How Reliable is azure search insertion?

How reliable is the insertion mechanism to azure search? Say, a call on average to upload to azure search. Are there any slas on this? average insertion time for one document, average failure rate for one document. I'm trying to send data from my…
Kevin Cohen
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Exactly-once guarantee in Storm Trident in network partitioning and/or failure scenarios

So, Apache Storm + Trident provide the exactly-once semantics. Imagine I have the following topology: TridentSpout -> SumMoneyBolt -> SaveMoneyBolt -> Persistent Storage. CalculateMoneyBolt sums monetary values in memory, then passes the result to…
esengineer
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How to create bins in a reliability diagram

I created a logistic/logit model with a binomial response variable using model <- glm(response~predictor1+predictor2+...) and then I used the predict function to create a new data frame outcome…
Taylor Adams
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How to guarantee delivery of data in a Compact Framework Webservice call?

We have a mobile Application in a very unsteady WLan Environment. Sending Data to a webserver could result in a timeout or in a lost WLan connection. How do we ensure, that our data is delivered correctly? Is there a possibility of having Web…
Louis Haußknecht
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How reliable is neural network in terms of safety issue? Any distribution of output?

I work for auto industry, where the reliability of machine inference is the critical issue becaue of lawsuit all that. The neural network(NN) is very much popular now, but how about reliability? They say, it was tested on 1000 tests data. Well…
JimSD
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