Questions tagged [web]

web is the information that lives on the internet. Use for questions about information on or about the web.

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17 views

Web Based Survey Sampling method

I am doing a web based research with target audience as general public. I am a student and so due to limited resource, i basically did snowball sampling. I approached all those whom i knew, some ...
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47 views

Web Content Partial matching algorithm suggestions?

I am trying to find a word or set of words or a similar word in the new web page scraped from publicly available sources to answer a question. I have a small list of keywords against which I would ...
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21 views

Can i get any statistics of users visiting page increase due to adding a notification

Can I get any statistics or plots on numbers of users visiting a website before and after adding a pop-up or notification on their website which regularly asks users for filling some details in ...
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0answers
111 views

Funnel Analysis using Logistic Regression?

A lot of web-based companies are obsessed with funnel analysis, that is, how the number of people who visit a given page of their site changes as a function of the actions the people had to take to ...
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1answer
573 views

Comparing supervised text classification algorithms with unlabeled documents from web

Working with the unlabeled documents from web for supervised text classification, even though the problem settings dictates using semi-supervised learning, I aim to compare several different ...
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1answer
53 views

Using stream of page views on a website to detect anomaly or bot-like behavior

I am looking at clickstream data - sequence of page visits of a user in a website. I am trying to identify anomalies in a session that could be related to bots. To do so I am looking at a user's ...
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1answer
854 views

Is Machine Learning viable for Extracting product Information from webpages?

I have a task to extract product information from a certain set of websites for price analysis. The product group I'm trying to harvest data is well defined, I could easily provide a set with all the ...
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1answer
42 views

Handling gaps in statistics

For a web application we are building I am supposed to overhaul our statistic collection service. Basically we are collecting simple statistics such as positive comments, negative comments, views, ...
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0answers
229 views

How to data mine google for most popular things out of a set?

Let's say I want to get the list of the top 5000 most searched biomolecules on google - how would I approach such a problem? One possible solution is to fetch the whole pubchem/pdb database and run ...
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2answers
586 views

Why are server response times distributed lognormally?

I found out that webserver response times are typically modeled as coming from a lognormal distribution here. What I don't quite get is why this is the case! In particular, Wikipedia states that a ...
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2answers
94 views

What is the volume of visits required in a test A/B?

I have a client that has a web site, he want my to help improve it's conversion rate. I am currently planning an A/B test, on the service page, testing the form. Number estimated of views on one ...
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2answers
222 views

Online Panel For Survey - Can It Be Representative?

I am thinking of using a company that has an online panel to recruit participants for a questionnaire study. Because the demographics (age, gender, region etc) of the entire population is known (...
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1answer
137 views

How to represent website as a fixed size vector?

Generally speaking, how to transform a hierarchical tree structure into a fixed size vector? I have a set (tens of thousands) of websites as my input data. Each website is represented by HTML ...
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580 views

How to measure distance between two elements in a web page

Suppose we want to measure how closely relevant is one word or phrase to another in a webpage, this can be easily seen by eyes whether they are near. But in an HTML document it could be tricky to ...
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35 views

Estimating distribution of traffic across all Web pages

The web is estimated to have approx 5 billion web pages ( http://www.worldwidewebsize.com/ ). How would you go about estimating a CDF to know how many pages are required that make up, say, 90% of ...
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1answer
83 views

Non-differentiation

I'm trying to assess the level of non-differentiation for a web survey I am doing. It features six pages of several Likert items on each page with a 6 point scale, followed by a seventh page of ...
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2answers
739 views

What could be a statistical test for comparing funnel data before and after important changes?

I have some funnel data from a website I manage. After some time I did some improvement on a multi-step purchase process. I wonder if it's possible to formulate a test that with statistical ...
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2answers
99 views

Rates, underlying distributions, and measuring things

When comparing two metrics, say visitors and time spent on a website, by just taking the ratio (time on site)/(visitors) can this be misleading? And if so how can we describe this problem ...
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0answers
1k views

How to track term prevalence on the web over time?

What is the correct way to track the prevalence of a specific term for each year over several years? The goal is a bachelor thesis in media sciences about the trend sport "Speedminton". In order to ...
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1answer
195 views

Identifying a minimum time on web page as proxy for successful search outcome

Given a correlation between two sequences of numbers, I need to find to what point in one sequence the correlation is strongest. Here's why: I'm tracking large numbers of pages in a knowledge base, ...
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0answers
28 views

I need a calculator that uses a contigency table of 11x6 [duplicate]

I need a calculator that uses a contigency table of 11x6. Anyone knows where I can find a calculator for my case? Thanks in advance.
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1answer
2k views

How to Calculate a Z-Score from Power Log Distributions

Please forgive me if the question is non-sensical as I only have a elementary knowledge of statistics, and I have no idea where to start. I want to perform an analysis of some web analytics ...
4
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2answers
135 views

Testing significance of a data point against an data set

Background I am currently testing conversions on a web page and would like to test if the changes I made yesterday produced a significant change in conversions. The Data Set For each day I test, I ...
14
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1answer
1k views

Do unique visitors to a website follow a power law?

Suppose I have an ordered vector where the first element is the number of visits to a website in a given period of time by the unique IP with the highest number of visits, the second element is the ...
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3answers
695 views

Simple extrapolation of web traffic

I have the following data for web traffic in Excel June 88,147 July 111,839 August 93,148 September 93,069 October 101,881 November 97,345 I can do a chart with a trend line and a linear trend ...
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6answers
9k views

Model for predicting number of Youtube views of Gangnam Style

PSY's music video "Gangnam style" is popular, after a little more than 2 months it has about 540 million viewers. I learned this from my preteen children at dinner last week and soon the discussion ...
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1answer
2k views

any alternative to kaggle for data mining & analysis competitions and training? [closed]

Are there any alternative to www.kaggle.com to test abilities for data mining? Or how can I find my own projects to test myself on data mining projects? Kaggle is a data mining community that ...
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4answers
884 views

High-Frequency Time-Series Forecast With A Lower Bound

I am helping a friend with a data project. He's interested in building a canary-in-the-coal-mine alert system for his website which tells him when the number of users dips below some critical lower ...
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2answers
5k views

What distribution is most commonly used to model server response time?

I have a servlet-based application wherein I measure the time taken to complete each request to that servlet. I already compute simple statistics like the mean and maximum; I'd like to produce some ...
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2answers
2k views

Math behind multivariate testing for website optimization

I am looking for theoretical resources (books, tutorials, etc.) to learn about making sound statistical inferences given (plenty of) multivariate website conversion data. I'm after the math involved, ...
3
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4answers
7k views

Is an online chi square calculator available for larger tables?

I am looking for an online Chi square calculator. I can see there are many for 2x2 tables. I am looking for an online calculator which can accommodate dimensions beyond 2x2.
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0answers
441 views

Calculate peak concurrent users on a website

I am looking at setting up some website load testing scripts and need some help in finding a formula to estimate how many concurrent users are browsing a website at peak times, based on common metrics ...
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1answer
179 views

Can you recommend an online survey platform for 5k+ participants? [closed]

I am planning to perform an online behavioral survey across a nationwide sample, and I expect several thousand responses. I expect to have not that many questions (perhaps 3 pages, 8 qs each), ...
8
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4answers
347 views

Internet statistics resources suitable for psychology students doing research

I am working on a new webpage for my part-time job as a methodological/statistical consultant for (psychology) students at my university. On this website I would like to place several links to online ...