The dynamic data that changes over time is also called _______ data.
A:
A:
举一反三
- Which of the followings are correct about difference-in-difference(DID) quasi-experiment study? A: time series data can be used for DID analysis B: panel data can be used for DID analysis C: DID analysis compares the changes over time in an outcome of the treatment group to changes over the same time period in the outcome of the control group. D: DID analysis is the changes over time in an outcome of the treatment group
- Data can be generally divided into analog data and digital data.
- The purpose of data analysis is to find patterns in the data.
- The primary data is always better than secondary data. ()
- Big data can be used to process verycomplex data.