Classify the following attributes as binary, discrete, or continuous. Also class
ID: 3562062 • Letter: C
Question
Classify the following attributes as binary, discrete, or continuous. Also classify them as qualitative (nominal or ordinal) or quantitative (interval or ratio). Some cases may have more than one interpretation, so briefly indicate your reasoning if you think there may be some ambiguity.
Example: Age in years. Answer: Discrete, quantitative, ratio
1. Intensity of a pixel in an 8-bit Grayscale image (http://en.wikipedia.org/wiki/Grayscale)
2. Frequency of light incident on Earths surface (http://en.wikipedia.org/wiki/Frequency#Light)
3. Brightness as measured by people's judgments
4. HTML color codes (for example, Yellow is encoded as FFFF00. http://html-color- codes.info/color-names/)
5. Year, as measured on the Gregorian calendar
Explanation / Answer
1. Intensity of a pixel in an 8-bit Grayscale image
Answer : Binary, quantitative, ratio
2. Frequency of light incident on Earths surface
Answer : Continous, qualitative, ordinal
3. Brightness as measured by people's judgments
Answer : Discrete, qualitative, nominal
4. HTML color codes
Answer : Discrete, quantitative, interval
5. Year, as measured on the Gregorian calendar
Answer : Continous, quantitative, interval