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List of the table of contents of this article:

• 1. What are the common application scenarios of tree classification diagrams?
• 2, How to draw a decision tree
• 3.Enterprise Planning and Decision-Requirements and Methods of Scientific Decision-Making
• 4, Technology that information system project managers should have
• 5, The weight of local consignment goods W is within 50 kg (inclusive), and the charge is 80 yuan; please draw the decision tree_Baidu...
• 6, Multiple Thinking Model 4: Decision Tree - How to Make Decisions in the Face of Uncertainty.

What are the common application scenarios of tree classification diagrams?

1. Cross-classification can quickly obtain information about things in different classification dimensions, which is convenient for finding and analyzing. Applicable scenarios Tree classification is suitable for classification problems with clear hierarchical relationships and common attributes.

2. Usage scenarios: Tree diagrams are widely used in many fields, such as organizational charts, file systems, biological classifications, etc. For example, in the organizational chart, the tree chart can clearly show the hierarchical structure of the company, the relationship between departments and the subordinate relationship of the position.

3. Application in chemistry In chemistry, there are often some types of questions that classify substances, among which tree classification and cross-classification are mainly applied. Generally speaking, tree classification is a sub-concept and a parent concept of the relationship contained between matter within a certain range.

4. Tree structures can be used to represent hierarchical structures, such as organizational structure, file system, HTML documents, etc. In the algorithm, tree structure is also used to realize search, sorting, storage and other functions. Common tree structures include binary trees, balanced trees, B trees, etc.

5. The star type is used in the computer room of Internet bars or colleges. The bus type is mainly used in the trunk network segment, such as the external transmission part of the bank head office and the head office. The tree type is mainly used in the branch network segment, such as the branch network.

How to draw a decision tree

Download a "decision tree" drawing software, such as Yitu diagram, update to the latest version, start the software when the computer is connected to the network, and create a new "decision tree" after logging in to the account. Click "Management-Consulting"-"Project Management"-"Decision Tree", then select a template and click Use.

Step 1: Click to download the "Yitu Diagram" software, and you can also access the online web version of Yitu Diagram. Then start the software and open the drawing.Step 2: Create a new "decision tree". Click "Management-Consulting"-"Project Management"-"Decision Tree".

The decision tree drawing steps of express logistics are as follows: Determine the topic: Determine the topic that needs to be decided, such as whether to continue delivery, whether to use express insurance, etc. Formulate root nodes: According to the theme, formulate root nodes, such as "whether to continue delivery".

Enterprise Planning and Decision-Requirements and Methods of Scientific Decision-making

Procedural decision-making of scientific decision-making is a complete dynamic process of raising, analyzing and solving problems, following scientific decision-making Only through procedures can we make correct decisions. The decision-making process includes four basic steps: one is to ask questions and determine the goal. All decision-making starts from the problem.

Decision-making must be based on the established goals, use scientific means, evaluate the possible implementation results of various schemes, and select the optimal scheme. Decision-making always chooses several plans under certain conditions. Selection includes two aspects: one is goal selection, that is, finding optimization goals; the other is method selection, that is, finding the best way to achieve the goal.

Give full play to collective wisdom: strengthen internal communication and coordination, so that all departments and employees of the enterprise can participate in strategic decision-making, give full play to collective wisdom, and improve the quality and efficiency of decision-making.

The skills that information system project managers should have

1. Project managers One of the more important skills to have is to motivate his employees and praise them for achieving their goals. Employees can achieve the most effective incentive effect.

2. Information System Project Manager is one of the advanced level tests in the National Computer Technology and Software Professional Technical Qualification (Level) Examination, which belongs to the Computer Technology and Software (Advanced) Professional Technical Qualification.

3. Professional and technical personnel such as software, network, information system and information services.Anyone who abides by the Constitution of the People's Republic of China and various laws, abides by professional ethics, and has a certain ability to apply computer technology can sign up for the examination of the corresponding professional category and level according to their own situation.

4. Information system project manager (senior): It is required to master the knowledge system of information system project management, have the experience and ability to manage large-scale and complex information system projects and multiple projects, and have the practical working ability and business level of senior engineers.

The weight of local consignment goods W is within 50 kg (inclusive), and the charge is 80 yuan; please draw a decision tree_Baidu...

1, the type of contact is as follows: (2) The relationship model is: company (company number, company name, address) Main key: company number. Warehouse affiliation (warehouse number, warehouse name, address, company number) Main key: warehouse number; external key: company number.

2. The weight of a single item free consignment of Western Airlines aircraft shall not exceed 7 kilograms, and each item shall not exceed 20cmx30cmx40cm. The allowed checked baggage size and weight are: the comprehensive volume should not exceed 40cmX60cmX100cm, and a single item should not exceed 50kg.

3. If the receiving place is in other provinces, the express mail within 20 kilograms (including 20 kilograms) is 7 yuan per kilogram, and the slow parcel is 5 yuan per kilogram; and if it exceeds 20 kilograms, the express parcel is 9 yuan per kilogram and the slow parcel is 7 yuan per kilogram.Please draw the judgment table and decision tree to determine the charging standard.

4. According to the topic, first divide the receiving distance into two types: greater than 1000 and less than or equal to 1000. These are the two branches of the first layer of the decision tree.

5. The free baggage allowance per passenger includes checked and self-care baggage, and the upper limit for domestic flights is 50 kilograms. Among them, the free quota is 40 kg for first class, 30 kg for business class, and 20 kg for economy class.

6. IV) The total weight of each checked baggage shall not exceed 50 kilograms, and the size of each checked baggage shall not exceed 40CM×60CM×100CM. Baggage exceeding the above provisions must be checked in after obtaining the prior consent of Western Airlines.

Multiple Thinking Model 4: Decision Tree - How to Make Decisions in the Face of Uncertainty.

1. Bayes' analysis method is to constantly add new information to the process of reasoning and decision-making, which is the "decision tree" to be talked about in this article. The decision tree is a thinking tool that helps us make higher probability of correct decisions in the context of incomplete information.

2. The core of the pluralistic thinking model includes: (1) essential thinking: try to analyze the essential problems behind specific problems; (2) interdisciplinary thinking: use the principles and solutions of other fast-growing fields to solve specific problems in the field and achieve a downsizing blow to specific problems.

3. The decision tree method can simply and clearly help the decision-making level of enterprises analyze the business risks and business direction of enterprises.