Of course, it can be modified, but the modified data should be roughly the same according to your own experimental data. But don't worry too much when modifying the data. Most of the modified data have a high probability of passing the blind inspection, but there is a certain probability of making certain risks. Therefore, students who need to experiment and precipitate papers must be down-to-earth and communicate with their tutors, and they can also communicate with their seniors and sisters about some technological methods.

National data, from China National Bureau of Statistics, contains many aspects of China's economy and people's livelihood, and its monthly, quarterly and annual coverage is comprehensive and authoritative, which is not very helpful to social science research. The most important thing is that the website is concise and beautiful, and there are special visual reading materials.