[Driven Data competition] - vaccination prediction

  today, record a data competition on DrivenData platform. When the score is 0.8515, it ranks in the top 11.5% of (209 / 1808), which is still very delicious and needs to be improved   what is DrivenData? At present, there are many data competition platforms, such as kaggle and Tianchi. DrivenData is also a data competition platform. ...

Posted by jay1318 on Thu, 21 Apr 2022 04:39:50 +0300

Principle derivation of K-means algorithm

Summary: This paper will introduce a common algorithm of machine learning: k-means clustering. Clustering belongs to unsupervised learning. Compared with classification, clustering does not rely on predefined classes and training examples of class labels. Because k-means clustering is relatively simple, I mainly intro ...

Posted by Scriptmaker on Wed, 20 Apr 2022 09:25:38 +0300

The isolated forest algorithm for anomaly detection is explained in detail with code running examples

Because the abnormal value often has two characteristics: only a small amount of abnormal data, and the characteristic value of abnormal data is very different from normal data. Isolated forest is not to describe normal sample points, but to isolate outliers, which was proposed by Professor Zhou Zhihua and others at the 8th IEEE International C ...

Posted by tomkleijkers on Wed, 20 Apr 2022 07:33:17 +0300

DNA 2. maftools of genomic variation analysis artifact in SCI articles

Click attention, Huanfeng gene Huanfeng gene Bioinformatics analysis, SCI article writing and bioinformatics basic knowledge learning: R language learning, perl basic programming, linux system commands, Python meet you better 78 original content official account preface With the progress of cancer genomics, mutation annotation format (M ...

Posted by halex on Wed, 20 Apr 2022 01:26:43 +0300

Detailed explanation of the implementation principle and technology of "sweeping five blessings"

preface As soon as the horn of sweeping blessings at the end of the new year blows, there is an additional sentence in daily social language: do you have professional blessings? This year is the sixth year of Wufu. This annual taste ceremony with mobile phones has put the ancient "Fu" culture on the C position of the new era. It is ...

Posted by IlikeTheWeb on Tue, 19 Apr 2022 17:12:59 +0300

Machine learning algorithm: classification prediction based on logistic regression

0. Preface This blog post is a punch in note of Alibaba cloud Tianchi's Tianchi winter vacation AI charging plan details https://tianchi.aliyun.com/s/a7683692f5a2579070071e7b0756f62d At the same time, it can also be used as a blog post for the introduction of machine learning (with a certain python Foundation) The precursor knowledge used ...

Posted by PHP-Editors.com on Tue, 19 Apr 2022 07:18:33 +0300

Read the evaluation code of pysot, and watch it better compared with the code!

Evaluation code of pysot 1. Official evaluation code 2. Code reading Content to load The path of prediction results obtained in the test -- tracker_pathDataset name used for evaluation -- datasetTracker name used for evaluation -- tracker_prefix When the track result storage path and the theoretical path are changed because t ...

Posted by Swedie on Mon, 18 Apr 2022 22:55:36 +0300

Summary of integrated learning principles (AdaBoost & lightGBM demo)

For the complete code used in this blog, please move to: My GitHub: https://github.com/qingyujean/Magic-NLPer , ask for praise, stars and encouragement~~~ Integrated Learning Series: Summary of integrated learning principles (AdaBoost & lightgbm demo) Summary of gradient lifting tree (GBDT) principle XGBoost use Summary of Random Fore ...

Posted by Dillenger on Mon, 18 Apr 2022 22:10:17 +0300

Using python to realize simple artificial neural network recognition of handwritten digits

A simple neural network model is built using Python, and handwritten digits are recognized. 1. Front work 1.1 environment configuration The handwritten numeral character set built in scikit learn library is used as the data set of this paper. Scikit learn library is a classic machine learning library. Its library and other dependent librarie ...

Posted by shadypalm88 on Mon, 18 Apr 2022 15:01:19 +0300

Numpy study notes

Numpy study notes I. Numpy data type 1 Python internal integer Compared with C language, variables in Python do not need to declare variable types before assignment, and can be repeatedly assigned to data of different data types. The reason is that the data structure in Python is different from that in C language. Take long integer as an ...

Posted by will83 on Mon, 18 Apr 2022 11:27:18 +0300