Python Implementation of Naive Bayesian Classification (NBC) (Discrete)
Python Implementation of Naive Bayesian Classification (NBC)
Introduction to Bayesian Classification
naive bayesian classification
Naive Bayesian premise
formula
programming
Reading Data from Excel
Calculating the probability of event Cj occurrence
Calculate the probability of each event under new conditions
Forecast
Oper ...
Posted by penkomitev on Mon, 06 May 2019 02:25:38 -0700
[Javaweb] poi implements importing data into database in batches by uploading excel tables
1. Import poi-related jar packages
For excel, which only operates on 2003 and previous versions, only poi-XXX.jar needs to be imported. If you need to operate on 2007 and later versions, you need to import poi-XXX.jar.
poi-ooxml-XXX.jar
poi-ooxml-schemas-XXX.jar
Maven mode
1 <dependency>
2 <groupId>org.apache.poi ...
Posted by suresh1 on Thu, 18 Apr 2019 20:12:35 -0700
Spring Learning Experience (10) -- Reconstructing mvc with annotations
We used two examples, document and Mvc, and now we use annotations to reconstruct:
document:
//Class document
@Component("document")
public interface Document {
public void read();
public void write();
}
//Management category
@Component("documentManager")
public class DocumentManager {
//Applying resource to attribute assig ...
Posted by Kainproductions on Thu, 18 Apr 2019 16:57:33 -0700
Implementing Element Periodic Table by Web Pure Front-end "Sunrise Map"
I. What is a sunrise chart?
Sunrise chart is a new chart added in Excel 2016. Some are similar to pie charts. The advantage of pie charts is that they can show the proportion. But pie charts can only display single-level data. Sunrise maps are used to represent the proportion of multi-level data. Sunrise maps are displayed in a hierarchical ma ...
Posted by sabbagh on Mon, 15 Apr 2019 00:45:32 -0700
Android manipulates Excel files
When operating Excel files in Android to export reports, the open source library jxl is mainly used. It was first used in java, but it can also be used in Android. Similar POI can only be used in java, not Android, because there are many dependency libraries.Using JXL needs to import jxl.jar package into Android project. JXL can complete the ba ...
Posted by steves on Sat, 13 Apr 2019 12:45:32 -0700
120 lines of code to crawl the Douban Film top250
The author recently learned to crawl, and practiced with Douban Movie. But Douban Movie has anti-crawling mechanism. After climbing 250, I will redirect and ask me to do the landing operation. So I only crawl the first 50 for related tests this time. Nonsense, let's look at the source code.
This time we used requests library, Be ...
Posted by dirkadirka on Thu, 11 Apr 2019 00:09:33 -0700
Notes on Linux Practical Teaching 18: A Speech by awk of the three Linux Swordsmen
awk of the Three Swordsmen of Linux (Foundation and Advancement)
Label (Space Separation): Linux Practical Teaching Notes - Chen Siqi
Quick jump directory:
* Chapter 1: Introduction to awk Basics
* 1.1: Introduction to awk
* 1.2: After awk, you can master:
* 1.3: Introduction to awk environment
* 1.4: awk format
* 1.5: Mode Acti ...
Posted by norpel on Mon, 08 Apr 2019 12:27:32 -0700
How JS Customizes Button Export in FineReport
FineReport supports a variety of different export methods. It is very fast and convenient to use the built-in Export button of FineReport directly to output various formats. But when we integrate Web pages, we often only want to embed the report content into iframe, while the buttons on the toolbar and toolbar will be hidden, and the custom but ...
Posted by Ammar on Sun, 07 Apr 2019 15:48:32 -0700
R Language Learning Notes _Data Cleaning 1
Before importing data
Clear demand
Understanding data
Data quality
Import data
Supporting multiple data sources
text file
read.table,read.csv,read.delim
scan
Excel file
csv, prn format + read.csv
Clipboard + read.delim
xlsx extension package
rodbc package
Data cleaning
Missing Value Processing
NA,NaN,Inf,-Inf
Identifying missing ...
Posted by boiy on Thu, 04 Apr 2019 09:21:31 -0700
pandas ExcelWriter customized format (customized header, rendering color, etc., non-ExcelWriter standard creation mode)
pandas ExcelWriter customized format (customized header, rendering color, etc., non-ExcelWriter standard creation mode)
Excel Writer plug-in has a pit that the format that has been set can not be changed. Therefore, when converting from pandas to excel, the format must be cleared, especially the format of the header. The code is as follows:
i ...
Posted by Germaris on Tue, 02 Apr 2019 00:06:29 -0700