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Questions tagged [trending]

88 questions
17
votes
4 answers

Deciding and implementing a trending algorithm in Django

I have a Django application in which I need to implement a simple trending/ranking algorithm. I'm very lost as a : I have two models, Book and Reader. Every night, new books are added to my database. The number of readers for each book are updated…
Mridang Agarwalla
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10
votes
2 answers

What is search.twitter.com's "trending topics" algorithm?

What algorithm does twitter use to determine the 10 topics that you can see at search.twitter.com? I would like to implement that algorithm and I would also like to show the 50 most popular topics (instead of 10). Can you describe the most efficient…
quilby
9
votes
1 answer

Using ElasticSearch to find trends

I have implemented elastic search for my search and have a good feeling it could easily be leveraged for finding trends , but its a the tip of my tongue how one would start to go about such a thing. Can anyone point me in the right direction or give…
ChuckKelly
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8
votes
3 answers

What is the best way of storing trend data?

I am currently building an application where I am importing statistical data for (currently) around 15,000 products. At current, if I was to maintain one database table for each day statistics from one source it would be increased by 15,000 rows of…
Aaron Murray
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8
votes
2 answers

Algorithm(s) for spotting anomalies ("spikes") in traffic data

I find myself needing to process network traffic captured with tcpdump. Reading the traffic is not hard, but what gets a bit tricky is spotting where there are "spikes" in the traffic. I'm mostly concerned with TCP SYN packets and what I want to do…
Vatine
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7
votes
0 answers

How I can get Tumblr trending through API?

How I can get posts from this page: https://www.tumblr.com/explore/trending through API? I looked in the documentation, but found nothing.
vladpalchikov
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6
votes
4 answers

Using Redis for "trending now" functionality

I'm working on a very high throughput site with many items, am looking into implementing "trending now" type functionality, that would allow users to quickly get a prioritized list of the top N items that have been viewed recently by many people,…
OneSolitaryNoob
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5
votes
1 answer

Calculating increasing or decreasing trend over time in MySQL

I have a table store_visits with the following structure: store_visits: store_name: string visit_count: integer visit_date: date My goal is to create a query that for each store and a given date range, will calculate: Average Number of Visits…
navigator48
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5
votes
0 answers

List most active users / trending developers on GitHub

There is a nice option get a list of top trending developers on GitHub using this url https://github.com/trending/developers I just want to know if this is possible to get same data via some REST API. Please help.
Saikat
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5
votes
2 answers

extracting hashtags out of Twitter trending topics data with Python Tweepy

I'm having a following problem: using the Twitter API and tweepy module, I want to monitor the trending topics and extract hashtags out of the data. This code: #!/usr/bin/env python # -*- coding: utf-8 -*- import tweepy, json CONSUMER_KEY =…
bcrvc
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4
votes
2 answers

Find trending tweets, with Tweepy, for a specific keyword

Bear with me, since I am still learning Python.. I want to be able to see the most trending tweets for a specific hashtag. I am able to find trending tweets and I am able to find tweets with a specific hashtag but I am at a loss when trying to…
Roronoa
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3
votes
1 answer

NDepend Count, Average, etc.. reporting... aggregates. Possible? clean work arounds?

We have a huge code base, where methods with too many local variables alone returns 226 methods. I don't want this huge table being dumped into the xml output to clutter it up, and I'd like the top 10 if possible, but what I really want is the count…
Maslow
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3
votes
2 answers

MYSQL Trending Query

I have a table called log that logs recently used items the columns are as follows: u_id(a unique number) item_id (an item id number) access_time(a server timestamp) I would like to create a query that finds the trend of the most accessed items…
Kern Elliott
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3
votes
1 answer

how to calculate TRENDING WORDS in a twitter like scenario?

I am creating an application like twitter. I am stuck at a point. I have all the tweets stored with users profiles. Now I have to create an algorithm to work better in performance wise to calculate the most trending words in the whole application…
user1379280
3
votes
4 answers

Calculate a trendline when the x-axis uses dates

The post on calculating trend lines on a scatter plot (How do I calculate a trendline for a graph?) is quite helpful, but I'm curious how one could go about finding a trend line on a graph where the x-axis is a DateTime field, rather than an…
Cole
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