Therefore, while mastering the tools and methodology, if you have data analysis thinking, it will help you how to better describe the problem, think about the problem, disassemble the problem, how to use the methodology more accurately, and draw conclusions. The output of such data analysis is more rigorous, more evidence-based, and more convincing. We Portugal Phone Number always say that data analysis is a necessary skill in the era of big data and 5G, so what is the so-called data analysis? That is, through observation, assumption and reasoning, with the help of Portugal Phone Number various analytical methodologies and data thinking modes to explore problems and propose solutions. There are two important factors: data and analytics. "Data" is an objective fact, a digital record of the occurrence and development of objective things. With the development of science and technology, the concept of data has become more and more extensive, including numerical value, text, sound, image, video, etc.
The role of data has two aspects, one is to understand the current situation, and the other is to quickly obtain information. Data can be divided into qualitative data and quantitative data. Qualitative data is used to describe the attributes, names, etc. Portugal Phone Number of things. It is a sign and has no sequential relationship. For example, "gender", "male" is encoded as 1, and "female" is encoded as 2. Quantitative data describe quantitative properties, or are used for coding. Such as transaction amount, quota, number of goods, points, customer ratings, etc. are Portugal Phone Number all quantitative attributes. The essence of "analysis" is to make product business lines clearer and make decision-making more efficient. Under the conditions of market economy, we are often faced with various problems in the face of fierce competition, differentiated market, and changing environment.