Quantcast
Channel: Data Science, Analytics and Big Data discussions - Topics tagged data_science
Browsing all 787 articles
Browse latest View live

Image may be NSFW.
Clik here to view.

Time series analysis

@vatsy61 wrote: Hi all, I have started a new project that is based on time series forecasting in which I am trying to use this methods: Analytics Vidhya – 8 Feb 18 Methods to improve Time series...

View Article


Image may be NSFW.
Clik here to view.

Predicting Customer Activity Absence

@scnkd wrote: Hi everyone, Could you please assist me with to following question? I have a customer activity dataframe that looks like this: It contains at least 500.000 customers and a “timeseries”...

View Article


Image may be NSFW.
Clik here to view.

Can't access the video content in "Introduction to Data Science" course

@saikatdatta94 wrote: Screenshot (60).png1920x1080 146 KB I’ve completed 27 Modules in Intro to Data Science Course but suddenly all videos became inaccessible. I’m sharing the screenshot with the...

View Article

Image may be NSFW.
Clik here to view.

Web scraping in R with top 100 movies on IMDB post

@herbacidal wrote: Analytics Vidhya – 27 Mar 17 Beginner’s Guide on Web Scraping in R (using rvest) with hands-on example This article provides step by step procedure for web scraping in R using...

View Article

Image may be NSFW.
Clik here to view.

To determine probabilites for a given classification problem

@sai29 wrote: i have the medium based company with web based business. whenever a customer will login in to website he will be assigned by some score, based on which page he enters he will get some...

View Article


Is there any data set which have duplicate documents and in categorized form?

@shipika wrote: I have created a model which takes new documents and tells in which category it lies, along with that if same document keeps on arriving, then my model also detect the duplicates. to...

View Article

Face Detection using Python

@vatsy61 wrote: Hi all, I am trying another project which is based on face detection from images using python. I have done some parts of it but I am stuck at a particular part in the project. Please...

View Article

Which course to take for Data Science?

@anurag_s wrote: I have just completed my 12 board exams and I want to do my graduation from a course which create solid foundation for future in Data Science . Which Course should i pursue ? Posts: 1...

View Article


How to generate buy sell trading signals using ggplot in r

@devrajan wrote: I have made a ggplot with my data set having close price and two sets of limits(upper limit 1=ucl1,lower limit 1=lcl1,upper limit 2= ucl2, lower limit 2=lcl2) using following commands...

View Article


Research: "The effects of big data analytics and distinct dynamic...

@rishal wrote: Hi experts. I require your assistance. Organisations today currently exist in an era of complexity and discontinuous change. The rules of competition and survival are constantly...

View Article

How to find best ratio for optimum profit for a dataset

@souravgames wrote: I have got a data-set containing 80 fields. Using correlation I found the data that are highly correlated and if its positive or negative. But now i need to find optimum...

View Article

Advance Text Mining

@kakulavaram_venkates wrote: How do you deal with the English text having Hindi words in between in Text Mining Posts: 1 Participants: 1 Read full topic

View Article

Why in my module the videos are shown as UNSTARTED (Red) even after I have...

@louiss100 wrote: I have completed the video but the Progress marks the video in the module as "Not started(red color) instead of GREEN. Is this normal? Posts: 5 Participants: 3 Read full topic

View Article


How to forecast monthly time when we have only one year data?

@lakshveer wrote: I’ve a Employee Absenteeism data which has 21 variables and 740 rows. The objective of the study is: How much losses every month can we project in 2011 if same trend of absenteeism...

View Article

Multi Classification Problem

@ashokasr143 wrote: if we have multicall problem like 3 classes in logistic regression how model will categorize the classes?if we see the sigmoid curve there we see just s shaped curve which...

View Article


No Msc data science in India

@shaurya98 wrote: Hi I’m currently in my second year studying Statistics (hons) from the University of Delhi. I’m enrolled in a three year degree program which makes me ineligible for MS from US. I...

View Article

Require a flow diagram for the given problem

@bambeshwar wrote: writing an algorithm to predict the result and final score of an upcoming match of a football game. Assuming you have access to previous 10 years of statistics of teams and...

View Article


Data mart practie problem code causing error when imputing data

@kevinkingsman wrote: Hey, this is article link: https://www.analyticsvidhya.com/blog/2016/02/bigmart-sales-solution-top-20 I’m facing an error while trying to perform imputation for Item_Weight as...

View Article

How to choose predictors and interaction to add to the model?

@rohit.haritash wrote: I have 20 predictors consist of categorical and numerical type. Categorical variables have more than 20 levels. When I check for correlation between numeric predictors and...

View Article

Check Overftting of Model & Validate the model

@swarup17 wrote: I want to know how to find the accuracy of the train model for classification. I want to check whether its overfit by checking the accuracy of train & test model. For instance we...

View Article
Browsing all 787 articles
Browse latest View live