For example, causal analysis is to analyze what is the causal relationship in a certain field and what kind of causal relationship there is. For example, as you sow, you reap what you sow. This is a causal analysis as well as a qualitative analysis. Having such attributes and properties.
Quantitative analysis, quantity, as the name implies, is definite or definite, quantitative, that is, giving the quantity of something in a certain field and finding out and determining the quantitative relationship. Qualitative analysis is to determine its attribute relationship, what the attribute is, and analyze it. Quantitative analysis is to determine the quantitative relationship, determine the quantity and analyze it.
For example, causal analysis of qualitative analysis, quantitative analysis refers to further determining how many fruits are produced by planting and how many watermelons are produced by planting several melon seeds. This is quantitative analysis.
It is very important to study the qualitative analysis and quantitative analysis of things from different angles. The former studies the properties of things and looks for the relationship between them, while the latter quantifies these properties and relationships and looks for the quantitative relationship between them. For example, the law of conservation of energy is studied by quantitative analysis, so quantitative analysis is to give the mathematical expression of the law of conservation of energy, x = X
Qualitative analysis studies the existence of possibility probability, and quantitative analysis further quantifies this possibility, and finds the number of possibilities to describe the quantitative relationship, that is, what is the probability p, which is the possibility of 0. 1? Is it 0.64? Is it 0.89?
The study of things has always been qualitative analysis, qualitative analysis, given nature, looking for various attribute associations, characteristics and relationships, and then quantitative analysis. In the existence of these properties, what are the number of these relationships? Only by finding the existence of attributes and further finding the relationship between quantities can the research be completed and understood thoroughly, otherwise it is only a superficial description and not in-depth.
Only by deepening the mathematical model can we understand clearly, and only by establishing the mathematical model, finding all kinds of data and finding all kinds of simple and complicated quantitative relations can we complete the research.
If there is no data and all of them are written descriptions, it is superficial and absolutely impossible. At best, it is in the primary stage of things research. All theories and methods ultimately need the support of quantitative relations and data.
Of course, at the same time, quantitative research without qualitative research is not enough. There are only dry mathematical formulas, but no realistic physics, geometry, economy, biology and so on are given. It can only be a pure mathematical theory, and it may not even be established. The first step of pure mathematical theory is also a kind of sexual research.