Jun 21, 2022
In Wellness Forum
Before data analysis, it is often necessary to spend a lot of effort in the process of data cleaning, for example, it is necessary to preprocess missing Whatsapp Database data, duplicate data or erroneous data. There are also many small partners Whatsapp Database who rashly carry out collection work without thinking about what data they want to obtain to verify what hypotheses. These are very important but easily overlooked questions before entering the data analysis process. As former US Chief Data Scientist DJ Patil put it: “It’s not too much to say: 80% of the work in any data project is collecting and cleaning data.” In order to Whatsapp Database better avoid such problems, it is necessary to conduct in-depth analysis in the "specific description Whatsapp Database of the problem" and "establishment of assumptions" before data analysis is carried out. In this period, "slow is fast". If you cannot correctly define the problem, disassemble it reasonably, and grasp the key issues, the subsequent links will be in vain. So, the Whatsapp Database right questions are road signs that lead you to reliable solutions, and high-quality Whatsapp Database data is the cornerstone of data analysis. Based on my actual work experience, I have sorted out 7 things you need to know before data analysis, hoping to inspire you.