22 Questions 28 Answers 0 Followers
Questions related from Aisyah mat jasin
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....
03 March 2018 9,273 2 View
Hi, I would like to compute the standard error of the regression coefficient with Jackknife concept. This is my code: X
11 November 2017 6,891 2 View
Hi, I'm going to test and compare my model with other model such as Neural network and Random Forest. Could anyone recommend me any function/package for random forest and neural network or share...
09 September 2017 5,966 3 View
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
09 September 2017 1,168 4 View
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...
09 September 2017 6,692 0 View
Hi, I'm doing regression in prediction. But, i would like to get some advice on any package in R to do feature selection specifically using mutual information algorithm? Thank you in advance
01 January 2017 9,499 2 View
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...
11 November 2016 7,352 1 View
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...
09 September 2016 3,311 0 View
Hi guys, I read the paper from by Marco Di Zio: Imputation through finite Gaussian mixture models. There are 2 different imputation models. 1) Conditional mean imputation 2) Random draws...
05 May 2016 4,703 0 View
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...
11 November 2015 5,237 1 View
Hi all, I'm currently working with hadoop using Hadoop 2.3.2 Hortonworks sandbox that runs on VMware. I wish to load a dataset by following the "hello world" tutorial as provided by Hortonworks...
10 October 2015 1,095 3 View
Dear guys, I have been reading this book: Applied missing data analysis since few days to understand the maximum likelihood calculation. In page 70, the outcome of covariance matrix which refer...
06 June 2015 7,041 2 View
I'm currently anaysing the missing data problem using maximum likelihood estimation. I would like to test the estimation on missing data for multivariate dataset using R. I found several packages...
05 May 2015 3,928 15 View
Hi guys, I'm still newbie in big data analysis. I'm currently looking to do incomplete data analysis for the big data in R rattle package. I refer this book for my reference to do an analysis but...
04 April 2015 7,634 6 View
Hi guys,I need an advice from those prominent with missing data in R.I'm currently trying to apply some packages for imputation in R such as ; mi and mice.In mi package , i have tried to implement...
04 April 2015 8,333 6 View
Hi guys,I would appreciate if anyone could share your knowledge of the missing data mechanism MAR,MCAR and MNAR in the simplest analogy, description and example and how these terms are relate or...
03 March 2015 3,504 11 View
Dear all, I am a little bit confused on how is the p(X|Y=1)=>(1/2,1/4,1/8,1/8) are being generated which originally in the figure shown as =>(1/8:1/4,1/16:1/4,1/32:1/4;1/32:1/4)? I'm eager...
01 January 2015 3,694 4 View
I need someone prominent in math may assist me to explain,how the equation (3) being generated from the equation (2)? Thank you in advance
12 December 2014 2,128 0 View
Hi guys, I'm currently studying the mutual information (MI) applied in classification techniques. Could anyone here share with me on how to make a calculation which applied in simple dataset?...
11 November 2014 8,434 10 View
Dear all, Conceptually, what the difference between mutual information and information gain? I have tried to do an exercise which is involved the mutual information theory, However, after I ended...
11 November 2014 4,932 7 View
Why do we need to reduce skewness in data transformation?
07 July 2014 4,911 1 View
Can anyone explain, why do we need to reduce skewness in data transformation? Thank you in advance
07 July 2014 6,670 0 View
