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Intermediate Python for Data Science | Datacamp
Https://www.datacamp.com/courses/intermediate-python-for-data-science
The intermediate Python course is crucial to your data science curriculum. Learn to visualize real data with Matplotlib's functions and get to know new data structures such as the dictionary an

Reply content for Statistical Learning: give a long article to the teacher of DataCamp, a foreign training institution
Martijn TheuwissenThe conclusion is that you need to select a tool based on your needs. SOURCE http://www.kdnuggets.com/
.
(By the way, make an advertisement. This article is translated by the data customer team, ID: idacker. please pay attention to the data with us)
Python and R are two

Example of simple EXCEL data statistics using python, and python data statistics
Task:
Use the simple python time statistical task-count the number of male and female persons respectively.
Materials used: xlrd its function-reading excel table data
Code:
Import xlrdwor

This article mainly introduces the Python text statistics function of the journey to the monkey with the word statistics operation, combined with examples of Python text reading, traversal, statistics and other related operations skills, the need for friends can refer to the

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1.1 Processing with awkWhere $7 is the file name, $ $ is the size. $[$7]+=$10 indicates that the same file name size accumulates. The awk array can also be understood as a Python dictionary.++B[$7] The number of files with the same name is cumulative.
[emailprotected]:/var/log/nginx# awk ‘{a[$7]+=$10;++b[$7];total+=$10}END{for(x in a)print b[x],x,a[

Python data analysis: two-color ball statistics of which combination of red and blue balls is high, python Data Analysis
This article describes how to calculate the ratio of two red and blue balls in a two-color ball statistical method based on Python data analysis. We will share this with you for your reference. The d

Python script implements code row count statistics for code sharing, and python row count
Previously implemented with bash (http://www.bkjia.com/article/61943.htm), but that can not be used in windows, so I wrote a python version, it is also convenient for me to use ...... I will not talk about it here, but google does

functions, began not accustomed to stata programming way, so the code is not easy to reuse, do file a long, slowly feel a bit chaotic. And then the matrix operation and computing function is not very good.Later, with his interest in data science and machine learning, there were some Python-based courses on the edx, Coursera, Udacity and other platforms. One of the most rewarding lessons for the utility is EdX's two

This script can be used to count the number of connected IPs on a port, and to count all IPs connected to that end, the maximum number of IPs and times, and the status of the TCP connection.Involves Python reading network connection statistics and some basic operations for statistical calculations. The data structure of statistics is pre-defined during scripting,

Python data analysis: two-color ball statistics method with a high proportion of a single red and blue ball, python Data Analysis
This article describes how to calculate the ratio of a single red ball to a blue ball by using the two-color ball in Python data analysis. We will share this with you for your reference. The

own, you are not used to the Stata programming method, so the code is not easy to reuse. Do File is a long time and you will feel a little messy. Furthermore, matrix operations and operations are not very useful.
Later, I became interested in data science and machine learning and offered Python-based courses on platforms such as edX, Coursera, and Udacity. The most useful learning tools are the two Python

This article mainly describes the use of Python to design a code statistics tool, including the number of files, lines of code, number of comments, lines of blank lines. Interested friends follow the script of the small to see it together
Problem
Design a program to count the number of lines of code in a project, including the number of files, number of lines of code, number of comment lines, and number of

Python data type-List (ADD, modify, delete, query, statistics, values, and sorting), python Data Type
A list is one of the most common data types. You can use a list to conveniently store and modify data.
Declare an empty list first:
>>> names = []>>> names[]
Multiple values can be saved:
>>> names = ["wangwang","maomao"]>>> names['wangwang', 'maomao']
Value Opti

Note : This is a task spanning several years, and the title can also be called "learning statistics from the To Do list." When I was distressed by P-values a few years ago, I didn't know what Python was, and then, after touching Python, I liked the language. Statistics as the basis of data science, want to do this work

; %s Unkownsex "% (SUM, boy,girl,secret,unkown) EndTime = Time.clock () print" Cost time "+ str (endtime-starttime) +" s " EndTime = Time.clock () print "Cost time" + str (endtime-starttime) + "s"
Output to
Multi Thread, Total is 61111; 13937 Boys; 4009 girls; 28942 secret;Cost Time 1.23049112201 SYou can see that multithreading is better than single-threaded, due to the use of synchronization, data statistics are always.
Note that

This article describes how to use python to process statistics on the ratio of men and women in the school BBS. For more information, see this article.
I. Data Analysis
We have obtained text data starting with the following string, which needs to be processed
II. Rollback
We need to reprocess the httperror data.
For code reasons, we can see this series of articles (II), which will cause the same id in th

The final completion of my world phase, joined the statistics hot up Main module: Statistics all the video of up to the number of times, get the top 10 of the up master.
The main process is:
All the author of the database are put into an array and counted;
The number of times to order, of course, the corresponding up owners also need to follow, so take into account the use of dictionaries;
Gets the top 10 o

This article mainly introduces the use of the dictionary in Python to deal with index statistics, the use of the dictionary is the basic knowledge of Python learning, this article is related to a small practice, the need for friends can refer to the
Recently toss index engine and data statistics work more, and the

Python statistics have many obstacles in our use. The problems related to the DNA sequence need to be learned continuously. Next we will introduce the relevant issues and hope to gain some gains in the usage of Python statistics in the future.
Given A bunch of DNA sequences, that is, A string consisting of characters A

-threaded crawl information?
Data statistics can be multithreaded, because it is independent of multiple text1, Popen Introduction
Use Popen to customize standard input, standard output, and standard error output. When I was practicing at SAP, the project team used Popen frequently under the Linux platform, possibly because it was easy to redirect the output.
The following code draws on the implementation of the previous project group, Popen can invok

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