Observations
Any kind of data can be collected.
The collected data is organized in a fashion so you can determine if the hypothesis is supported.
data collected over several time periods is what type of data?
Secondary data is collected by someone other than the researcher, such as census information. Primary data is collected first hand, such as interviews.
how is data collected and used for the purpose of national statistics
Secondary data is data that was collected from someone else an already exists for a different purpose. Using secondary data is usually the easiest and cost effective way of gaining data for marketing.
Interpolation is filling in the data points between the data that has already been collected. Extrapolation is filling in data points beyond the data that has already been collected, or extending the data.
The Purpose of analizing data that is collected in an experiment is for scoring the results obtained in the experiment.
Secondary use is using data for a purpose other than the purpose it was collected for.
Direct data capture is the collection of data for a particular purpose (e.g. barcodes being read at a supermarket so that the product can be identified or account details being read directly from the chip embedded in the credit card.) Indirect data capture is the collection of data as a by-product from data collected for another purpose (e.g. using data collected from reading barcodes at a supermarket till to work out the stock levels or using data collected from reading barcodes to see whether an item is selling well.)
The difference is rimary data is information personally or originally collected that has not been studied. Secondary data is information already collected, examined and concluded.
Observations
The purpose of health care data sets is to provide useful and meaningful information of data, so that it is used properly and effectively. The purpose lies in the fact that data collected can be brought to full practice.
Recommend common data elements to be collected in health records
Existing primary data that was collected by another person or for another reason than the current one.
To ensure that good and reliable data are collected