In this data era now, the application of big data in all walks of life has brought us great convenience, take our work for example, if we want to make a statistical table, in the absence of big data, it can only be done manually. But with big data, we just need to hit the computer a few times on the keyboard to enter the screening conditions, the system can automatically make the form we need.

Data visualization is the process of transforming data into tables or statistical charts that we can easily understand. In this way, all kinds of data we can see at a glance, reducing working time, improving efficiency, reducing unnecessary capital expenditure, saving money and time.

Data visualization greatly improves our convenience in daily life, before we need a day to complete the work. But after performing data visualization, we may need only one hour.

So big data and data visualization have been very popular since their introduction, and we can't deny that big data and data visualization have brought great convenience to our life, work and other aspects. But if we don't use it properly, big data and data visualization can also bring us great harm.

We need to use big data and data visualization correctly. Only with the right use of big data and data visualization can they be used for our lives and provide better services for our lives.