Adeyemi Adegbenjo

13 Questions 36 Answers 0 Followers

Questions related from Adeyemi Adegbenjo

Should PCA be done on a training set or whole data set?

PCA usually precede NIR spectroscopic analysis being a useful tool for dimension reduction. I want to know whether PCA should be ran on a complete data set or only the training set before...

21 October 2015 8,708 6 View

Why should there be non-fertile (non hatching) eggs among fertile egg set samples?

I am just wondering, why should we have non fertile eggs among eggs laid by hens raised amidst rosters? Was it that the rooster did not deposit the spermatozoon or if deposited, should will still...

30 September 2015 6,593 5 View

Which is the best of the Multiple comparison range test methods?

I am carrying out a multiple range statistical testing in SAS using Duncan, turkey, bonferroni and Gabriel method. While Turkey, Bonferroni and Gabriel gave exactly the same results, Duncan's...

02 September 2015 1,811 5 View

What do I do when the scores plot from PCA analysis does not give distinct grouping I'm expecting from my data?

Im working on a binary classification task using the Unscrambler software but my data greatly overlaps and cant get any distinct grouping of my samples from PCA scores plot? What do i do in...

23 July 2015 6,500 9 View

How can I fuse FTNIR data with hyperspectral data for analysis

I have some data from FTNIR and NIR hyperspectral imaging. How do i fuse these two data together for better classification/prediction accuracy.

23 July 2015 217 3 View

Is there any chemical (or biological) analysis that can be done to identify fertile and non-fertile yolk?

I wish to be able to identify fertile egg from non fertile egg. If i have two unknown samples believed to be samples of fertile yolk and non fertile yolk, Is there any chemical analysis that can...

26 March 2015 9,208 5 View

Difference between Type I and Type III SS decision tables in statistical analyses?

I am running a GLM proc SAS analysis and my type I and Type III SS tables arrived at different conclusions entirely for my main effects. How do I know which of the two tables to use in making my...

10 January 2015 2,595 16 View

Is there any difference between fertile chicken eggshell and table (infertile) eggshell?

I need to study some characteristics of fertile chicken eggshell without the egg contents. I was thinking using table (infertile eggs) will be cost effective for me since Im not interested in the...

03 December 2014 8,075 5 View

Can anyone help with the protocols for determining calcium and protoporphyrin/biliverdin contents in chicken eggshell?

I'm doing a pigmentation study and wish to monitor the variability of calcium, protoporphyrin/biliverdin contents in chicken eggshell.

25 November 2014 7,739 3 View

Does the choice of gamma value has any serious effect on model performance in SVM classification?

When trying to fine tune the SVM classification model using the grid parameter optimization, i found many values of Cs and gamma with different numbers of support vectors having 100% cross...

22 May 2014 2,814 9 View

How do you decide a good enough number of support vectors to be used in SVM classification

When trying to fine tune the SVM classification model by controlling the slack/cost parameter "C" or "nu", there is a corresponding effect on the number of support vectors (SVs) available for...

09 May 2014 6,873 3 View

What is the rationale for the choice of number of segments in cross-validation?

Choice of segments is common with various machine learning algorithms when dealing with training data. Is there any rationale for this choice for example say you are working on SVM classification

24 April 2014 5,220 3 View

How to get a fuzzy support vector machine algorithm for my data analysis?

I need a supervised learning algorithm to solve my imbalanced data classification problem. Can anybody tell me how i can get the fuzzy support vector machine algorithm which, as I have read in...

09 April 2014 8,387 0 View