clickstream data analysis

Data Structure and Algorithm Analysis Study Notes (2)-algorithm analysis, data structure and algorithm analysis I. Simplest understanding and use of algorithm analysis methods 1. First, you may be confused by the mathematical conc

Copyright Description: Content from the internet and books Principal component Analysis PCA1. Basic Ideas Principal component Analysis (PCA) is a kind of reduced-dimension method for continuous variables, which can maximize the interpretation of data variation, reduce data from high dimension to low dimension, and ens

ImplementationThe function Summary () calculates the five-and mean-values of a set of data. >summary (Cars$speed) Min.1stqu.medianmean3rdqu.max. 4.012.015.015.419.025.0 5.3 Analysis of discrete trendsMeasure of 5.3.1 Discrete trendThe degree of dispersion of the data is mainly measured by the statistical index of the difference, four differ

The internet is a time of change, data analysisprobably the most popular skill at the moment, and now almost80% of the recruitment requirements, the interviewer is expected to have the ability to analyze data.The same goes for interns who just came out of school:I heard from work yesterday.2 interns are discussing data acquisition and analysis issues. Very frankl

Data analysis and presentation-NumPy database entry, numpy database for data analysis This is the note of my course "Python data analysis and display" from songtian, Beijing University of Technology. The course has outstanding emp

system, and the Ma Haixiang suggest that the initial planning is to be considered as perfect as possible, not only for the present, but also for the future.Third, from customer demand to businessFor the characteristics and needs of different customer groups, we should also have targeted data mining and analysis, with personalized services to win the majority of customers.1, customer-centric business planni

SQLite tutorial (5): Index and data analysis/cleanup, sqlite Data Analysis I. Create an index: In SQLite, the SQL syntax for index creation is basically the same as that of most other relational databases, because here is just an example usage:Copy codeThe Code is as follows:Sqlite> create table testtable (first_col in

[Python Data Analysis] Grade 4 score distribution and python data analysis Distribution Recently, I got some level-4 Score data, about 500 or more. So I wondered if these Score data could meet the so-called normal distribution? Le

personal opinions on data analysisAfter doing the data Product manager, has done some simple homework to the data analysis work, now records as follows, hoped can help the data product aspect schoolmate, simultaneously also takes this platform to exchange the study, the impr

Based on data analysis, whether automatic vehicles consume more oil than manual vehicles, and automatic data analysisOverview This is a multivariate regression equation used to reveal the relationship between vehicle fuel consumption and vehicle properties, and attempts to answer the common question: is the automatic vehicle more expensive? In addition to the aut

Python data analysis: a method example for obtaining the history information of a two-color ball, python Data Analysis This article describes how to obtain the history of a two-color ball through Python data analysis. We will shar

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