How to improve my circle plot in Matlab?

Hi, I would like to draw circles in matlab. But my code does not work well where the central points do not lie on center part. I would appreciate if anyone could advice me any improvement....

02 March 2018 9,199 2 View

How to correct the standard Error in Jackknife regression coefficient in this code?

Hi, I would like to compute the standard error of the regression coefficient with Jackknife concept. This is my code: X

10 November 2017 6,839 2 View

Which package in R that suitable for conditional density plot?

Can anyone share on how to plot the conditional density for mixture model as shown in the picture in R? Which package that can be applied to plot the image? Thanks

08 September 2017 1,114 4 View

Why the Gaussian density computation for a single value in matlab does not work?

I tried to write a code in matlab. The code is supposed to be an easy task. I just want to compute the gaussian density for a single value. This is the code: iteration = 1;for iter = 1:iteration i...

08 September 2017 6,636 0 View

Which is the function/ package in Matlab that appropriate to deal with missing values for Neural Network and Random forest model ?

08 September 2017 5,906 3 View

Which package in R to implement the feature selection that suitable for regression?

31 December 2016 9,440 2 View

How to work with latent variable in Gaussian mixture model in R?

I'm currently trying to impute the missing data through Gaussian mixture model. My reference paper is from here: http://mlg.eng.cam.ac.uk/zoubin/papers/nips93.pdf I currently focus on bivariate...

10 November 2016 7,299 1 View

How to impute the conditional mean imputation using finite Gaussian mixture?

Hi guys, I would like to get the idea on how to implement the conditional mean imputation in the Finite Gaussian Mixture model, say 2 Gaussian components .This is because, if i bring the two mean...

08 September 2016 3,234 0 View

What the different between random draws imputation and multiple imputation?

04 May 2016 4,652 0 View

How can I overcome Rhdfs and Rmpi package installation problems?

Hi all,I have been installed and setup the rhadoop in the VMware environment.Recently, i tried to install the following packages: 1) rhdfs_1.0.8 package, and prompted with this error message:(as...

10 November 2015 5,120 1 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View