Data analysis

Hand in hand to teach you how to use R Language does LASSO regression

LASSO Return is also called lasso return , By generating a penalty function, the variable coefficients in the regression model are compressed , To...
2020-12-25 17:29 views 32

Why can byte beating data analysts take it 50K?

Recently, many colleagues around me are feeling , In the past two years, there have been many jobs related to data , And the salary is very high ....
2020-10-27 16:00 views 26

Summary - Moment generating function （moment-generating function）（10/15/2020）

I didn't quite understand before moment generating function（MGF）. I read an article today , be filled with wisdom , Finally helped me understand m...
2020-10-17 06:15 views 21

How to pass Python realization EXCEL In vlookup Function function

This is the first use python It's a practical project , If there is something wrong , Please correct me ! target ： use python Put the table 1 Inse...
2020-04-28 14:17 views 28

Design and implementation of large screen real time data monitoring for big data visualization

Design and implementation of large screen real time data monitoring for big data visualization ： From demand analysis ----> Data acquisition ---->...
2020-04-09 09:55 views 21

Detailed explanation R language plot All parameters of the function

plot The function is R Language is one of the most basic functions , But it has many parameters , It's hard to remember all the parameters in detai...
2020-03-07 23:04 views 23

R language | Processing method of missing value —— multiple imputation ： utilize mice() package

From today on, I will take notes of my study ～～～ 2020.3.5 Processing method of missing value —— multiple imputation 1, basic thought ： Using...
2020-03-06 13:48 views 54

Python：14 A common data cleaning code

Common library import import pandas as pdimport numpy as npimport matplotlib.pyplot as pltimport seaborn as snsimport warningswarnings.filterwarni...
2019-12-23 15:16 views 31

Microblog crawler and public opinion analysis -4. Analysis of users' public opinion

import pandas as pdimport numpy as np# Read training data set mblog=pd.read_csv('clean_mblog.csv',encoding='utf_8_sig')mblog.head()import jieba.ana...
2019-09-15 15:01 views 20

Fundamentals of data analysis ——R language （ Processing missing values ）

For simple data processing , We are basically dealing with complete data sets , But in practical problems, we often encounter data with missing va...
2019-08-01 16:32 views 31
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