Shakil Ahmed

5 Questions 72 Answers 0 Followers

Questions related from Shakil Ahmed

How to calculate WHO BMI for Age, z-score and percentile for 10 years to 17 years children using WHO Anthro online survey analyzer or software??

I am analyzing a dataset. There I have a group of participants whose age range is 10-17 years. I have their gender, date of birth, height and weight. I want to measure their BMI for age, z-score...

28 November 2019 5,263 6 View

Geo Mapping in R

Can anyone suggest me some good packages and probably some "r command" on how to create a map of any country or city in R software that actually will use latitudes and longitudinal coordination to...

01 January 1970 6,307 13 View

What are the importance of reliability and validity of a (translated) research tool in a certain sample?

I wonder why it is important to measure the validity and reliability of any research tool (/translated) before the final implication of that tool into a certain population? Many articles are...

01 January 1970 6,992 5 View

Can principal component analysis (PCA) be explained by one component (based on the eigenvalues > 1)?

I ran a PCA on a certain behavioral scale (consists of 10 questions/variables) and interestingly I got only one component in my component matrix output. The KMO value came out to be 0.937 and...

01 January 1970 5,910 9 View

"Chi-Square test" vs "G-test"

We all know that Chi-square is a statistical test used to observe the association between two categorical variables with 2 levels. If we have two categorical variables both of them have >=3...

01 January 1970 9,744 3 View