disease_id, org_id, product_id, disease_code, disease_name, status, is_del, create_user_id, create_user, create_date, modify_user, modify_date
时间: 2024-04-05 16:30:47 浏览: 14
这个基础列列表中包含了以下字段:
- disease_id:疾病 ID
- org_id:机构 ID
- product_id:产品 ID
- disease_code:疾病编码
- disease_name:疾病名称
- status:状态
- is_del:是否删除
- create_user_id:创建者 ID
- create_user:创建者
- create_date:创建时间
- modify_user:修改者
- modify_date:修改时间
这些字段可能是某个表中的列名,用于描述该表中的数据。在 SQL 查询语句中,可以使用这些列名来进行数据的筛选、排序、分组等操作。
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"D:\wendang\shujukushuju\geshujuku\TCM-Bank\disease_all.xlsx"
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from sklearn.linear_model import LogisticRegression
Logistic Regression is a classification algorithm used to predict the probability of a binary outcome (such as yes/no or true/false) based on one or more predictor variables. It is a linear model that uses a logistic function to model the relationship between the predictor variables and the outcome variable.
The logistic function (also called the sigmoid function) is an S-shaped curve that maps any input value to a probability value between 0 and 1. The output of the logistic function can be interpreted as the probability of the binary outcome being true, given the predictor variables.
The logistic regression model estimates the coefficients of the predictor variables to maximize the likelihood of the observed data, using a technique called maximum likelihood estimation. The coefficients can be used to generate predicted probabilities for new observations, and a threshold can be applied to classify the observations into one of the two categories.
Logistic Regression is widely used in various fields, including healthcare, finance, marketing, and social sciences, for predicting outcomes such as disease diagnosis, credit risk, customer churn, and voter preference. It is a simple and interpretable model that can handle both categorical and continuous predictor variables, and can be extended to handle multi-class classification problems.