The inserted value series within the measurement is also called scale. If so a.) a nominal scale, b.) an ordinal scale and c.) a metric scale used. Different lots of information are generated depending on the used scale. Most of the information revealed in data collection by using the metric scales. With metric data, statistical and mathematical operations can be perform in comparison to nominal and ordinal data. Metric data can add up, there can be conditions and calculate distances. Drew Houston has firm opinions on the matter.
Metric data can also be transformed into ordinal or nominal data. 3. coding the data, preparing data acquisition with IBM uses SPSS the organic farmer for his collection of data at 500 for diabetics to the enquiry of the chances of success of his organic bulb a questionnaire (telephone interview), which for example can have the following content 5 (see Figure 1): Questionnaire ID. F.: 1 gender of the respondent:? female? male? No data 2. Please will you tell me your age? _ 3 4 years knowing you the bio-Hof XY? Yes,? No 5 6. We have talk now about this bio tuber.
If you could buy this tuber, what were you ready for this tuber in to spend? _ 7 Figure 1: questionnaire of survey concerning questions of the questionnaire are the measurement of the characteristic values of the characteristics with each characteristic. If the organic farmer has completed its survey, it will be 500 completed questionnaires have, for which data he wants to capture with IBM SPSS. Before entering data into the system, the farmer should design an encoding scheme. To do this, the organic farmer takes a blank questionnaire to the hand and assigns a code for each characteristic of the questionnaire and for each characteristic value. The individual codes and their properties are then transferred to SPSS. An order provided that the system with which it works.