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Md. Ziaur Rahaman
Jul 28, 2022
In Welcome to the Forum
Double Eleven has been over for a long time. The operating classmates of store A checked the sales data of the store on November 1 this year and the sales data on November 1 last year and made a simple data briefing. The sales will be on November 1, 2020. The amount was 325,620 yuan, and the sales on November 1, 2019 was 168,768 yuan. The sales data on November 1, 2020 increased by 108% compared with 2019. The concepts of absolute and relative are implied in this data briefing of operational students: Absolute refers to an absolute fact that exists objectively; in this briefing, the sales data is an established fact and will not change with other conditions. These two sales figures are absolute . Relative, refers to the result of comparing one whole with another or certain conditions. There are changes. In this briefing, the data of 20 years is compared with the data of 19 years, and the value of an increase of 108% is relative. From here, we can find that the "absolute value" represents some kind of objective fact, but only objective facts cannot analyze this fact; if there are only sales data of 19 and 20 years in this briefing, we We can only have a quantitative concept for the sales data of two years; but we cannot judge the relationship between the two years, and the introduction of "relative" values ​​can help us solve this problem. By comparison, we found that the sales data in 20 years has been greatly improved compared with that in 19 years. "Relative value" can help us to clarify the relationship between different objects. It can be seen that relative value is very important in mobile number list data analysis. This article wants to discuss the application of relative value in data analysis. 1. What is a relative value 1. Definitions The definition of relative value refers to the value obtained after A is relative to B, where A is the target value and B is the comparison value. Target Value: The data value of the object you want to know about. In the operation briefing, we want to know the sales data on . November 1 this year, and the sales data on November 1 this year is a target value. Comparison value: The auxiliary data added to understand the "target value" can be a specific value or a range rule; in the operation briefing, in order to measure the sales data on November 1 this year, the included "November 2019" "Sales data on the 1st of the month" is a comparison value. From the definition, it can be concluded that "relative value" needs to meet two conditions: The relative value is calculated from the absolute value, the absolute value is the basis of the relative value and there are certain quantitative requirements for the absolute value; A target value and a contrast value need to be present. Let’s deepen our understanding of the definition of “relative value” through a set of data. The preliminary accounting data of domestic GDP in the third quarter of 2020 was 26,617.2 billion yuan, of which the tertiary industry was 14,259.5 billion yuan, accounting for 53.57%. This proportion is the relative value. , which is a data obtained by dividing the target value "tertiary industry GDP" by the comparison value "Q3 domestic GDP", which satisfies the two conditions for defining the relative value. 2. Relationship with absolute value The absolute value is the basis of the relative value. The relative data is obtained by a certain calculation from the absolute data. The most common calculation method is: relative value = target value / contrast value. Absolute values ​​are used to describe the specific quantity of an object, while relative values ​​can describe the relationship between the specific quantity of an object and the contrast value.
The use of relative values ​​in data analysis
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Md. Ziaur Rahaman

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