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Praveen Kumar M


Last seen: 4 years ago |  Active since 2016

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Every time during the starting of MATLAB these two warnings pop up?
I run a MATLAB 2019b in Ubuntu 18.10. Every time during the starting of matlab in the commandline, these two errors pops up. I h...

5 years ago | 1 answer | 0

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answer

Question


How to create custom error model in Simbiology
Hello. I am doing population pharmacokinetic analysis using Simbiology. There are 4 types of error model available in Simbiology...

5 years ago | 1 answer | 1

1

answer

Question


Getting the following error repeatedly for different error setting other than exponential error in population PK PD modelling in Simbiology.
I am trying to develop a population pharmacokinetic model using Simbiology. My model is two compartmental. And I am trying for n...

5 years ago | 1 answer | 0

1

answer

Question


For classification algorithms modelling using classification learner app, which among the two model diagnostics is most important for selection of model - AUC or Accuracy?
I am using classification learner app for modelling data. I came accross two algorithms (using the same number of features) with...

5 years ago | 0 answers | 0

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Question


In Simbiology, how to find features (covariates) which will increase the loglikelihood greater than the base model.
In population pharmacokinetic analysis, suppose that I have finalised a base model (after exploring all the available model), an...

5 years ago | 0 answers | 0

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Answered
In Simbiology, should the categorical variables be assigned as group variable or covariate in the dataset?
Oh. That's a clear answer. I have a logical query. Among the covariate, one is a categorical variable (gender) and another is a ...

5 years ago | 0

Question


In Simbiology, should the categorical variables be assigned as group variable or covariate in the dataset?
I am using Simbiology for population pharmacokinetic model development. I use non-linear mixed effect modelling approach. I have...

5 years ago | 2 answers | 0

2

answers

Question


In Simbiology, is the parameter estimates reliable, if I get the error " Iteration limit exceeded in the Laplacian algorithm. Returning result of the final iteration"
I use the nlme model with exponential error and FOCE method of likelihood estimation to fit the PK data. I got the highest logli...

5 years ago | 1 answer | 0

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Question


How to find volume of distribution of drug for each individual as well as summary in simbiology ?
I use simbiology for pharmacokinetic analysis. My two compartmental model is as shown in the figure attached. I did a non-mix...

5 years ago | 0 answers | 0

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Question


In simbiology, getting error - "Matrix is close to singular or badly scaled. Results may be inaccurate. RCOND = 2.971666e-16"
I am using simbiology for pharmacokinetics modelling. When i tried to use the non-mixed effect model using isqnonlin estimation ...

5 years ago | 0 answers | 0

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Question


Log likelihood is initially high in FOCE but as the iteration proceeds to greater than 3500 the log likelihood reduces and finally ends with error that maximum iteration has been achieved.
I am trying to develop a population pharmacokinetic model using Simbiology, My settings are Estimation method: Estimating mi...

5 years ago | 1 answer | 0

1

answer

Question


Simbiology not generating summary on subsequent runs
I am facing a technical issue in Simbiology for which I would require an urgent support. After fitting the data in the PK mo...

5 years ago | 0 answers | 0

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answers

Question


In the "Export Regression Model to Predict New Data" under the "Deploy Predictions Using MATLAB Compiler", what does cartable.mat stands for?
I am using regression app for developing machine learning algorithm. After I have developed model, I would like to create a MATL...

5 years ago | 1 answer | 0

1

answer

Question


How to export a machine learning model into a MATLAB app?
I am using regression app for machine learning. I would like to export the developed machine learning model into a MALTAB app. I...

5 years ago | 0 answers | 0

0

answers

Question


How to write a trained model as mathematical equation so as to include the model in scientific paper?
I am using regression learning app in MATLAB for machine learning algorithm development. After evaluating all the algorithm in t...

5 years ago | 0 answers | 1

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Question


How to make a particular folder open in matlab for saving images?
I am using regression learning for developing machine learning models. My intention is to save the figure (like residual plot) t...

5 years ago | 1 answer | 0

1

answer

Question


How to compute NCA in case of drug infusion in Simbiology? There are options for bolus doses but is there a option to compute for drug infusion regimen?
Non Compartmental Analysis (NCA) is easily performed in Simbiology for drug bolus. With the data imported and selected, selectio...

5 years ago | 1 answer | 0

1

answer

Question


How to overcome this error during the installation process????
This error is repeatedly coming when i try to install the MATLAB R2016, trial version... Is there a solution??? <</matlabc...

8 years ago | 0 answers | 0

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answers

Question


For running AUTOTYPING, do i need to install any Toolbox specifically???
AUTOTYPING is a neurobehavioral software.... For running the source code , so i need to install any specific toolbox... The p...

8 years ago | 1 answer | 0

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