Quantcast
Channel: Data Science, Analytics and Big Data discussions - Latest topics
Browsing all 4448 articles
Browse latest View live
↧

Python 2.7 or 3.5?

@hossein_mortazavy wrote: Hey Guys I just switched from R to Python and I amazed with the powerful of python in comparison of R (I think because of strutures that python support like tuple,set ,...)...

View Article


Supply chain management

@janpreetsingh wrote: Could anyone please tell me about the resources for learning about supply chain management and application of data analysis in it.Thank You! Posts: 1 Participants: 1 Read full...

View Article


Random forest in r

@nehak wrote: Hi i am trying to run random forest for a classification problem.one of the independent variables is city which includes 4 cities-Mumbai,delhi,bangalore and kolkata.should i make 3...

View Article

Why not linear regression can not be used for classification?

@harry wrote: I came across one question while learning linear regression is that the linear regression can be used for the classification by setting the threshold value and we can classify(predict)...

View Article

When can you say a random forest is saturated and won't improve?

@Aarshay wrote: Hi Guys, I think that a model saturates when your training accuracy becomes close to the CV error, thus there is little scope of improvement. But, my thought process got challenged...

View Article


Decision tree and random forest in R

@nehak wrote: while running decision tree in r I'm getting the following error:Error in plot.tree(fit) : cannot plot single node tree data sample is below: 1 35 0 0 65 0 0 67.5 0 01 47 0 0 65 0 0 67.5...

View Article

High Dimensional data with large number of rows in Regression

@sonam_gupta wrote: Hi All, Suppose I have a dataset in which I have very large number of features approx. 200 and about 10 million data rows. How to perform regression over such data. I know that for...

View Article

What is Private Leaderboard in Hackathon and how to submit the submission...

@Raghuvaran_Raghu wrote: It's my first participation in Hackathon Last Man Standing. I'm currently submitting the submission file in public leaderboard but i dont how to submit the submission file in...

View Article


Why the value of Coefficient of variable is different when it used as single...

@harry wrote: I am currently solving one classification problem in which I have created a simple logistic regression model using an only single variable in each coefficient value of the variable is...

View Article


Image may be NSFW.
Clik here to view.

Career decision before proceeding with a specific data analysis tool or...

@Ankitdev wrote: Hi, Brief about my background: I am a business intelligence analyst in a consulting company, where I have been working since last 4 months(I am kindof a fresher). I use ACL analytics...

View Article

Last Man Standing - Reveal your approach

@Sunil wrote: Dear all, Thanks for your participation in LastManStanding. This competition can not be complete until you share and discuss your approach. So, let's do that! Some pointers to keep the...

View Article

Business Analytics Interview Questions

@sanchi_singh1 wrote: Respected Sir,I am new in the field of analytics. I have done a base sas course and i am trying to find job on the basis of that.Recently i faced ine interview in which...

View Article

How to use xgb.importance

@sadashivb wrote: This may be a very basic question- I am using XGB on data with 100+ parameter. When I use xgb.importance I get to see top 5 and bottom 5 parameters. How can I get top 50 or better -...

View Article


Data Projection to National Level

@chitemerere_stratdig wrote: I have a project where i am collecting data from a sample of pharmacies from a universe. I use the data to build an application in QlikView. The application gives...

View Article

Mini DataHack - "Bigger Than You Think!"

@Sukanya wrote: Our previous month's signature Hackathon stole the limelight breaking all records. And now our first ever Mini Hackathon is on its way and ready to heat up the competition among the...

View Article


How to do Data Imputations : Multiple Imputations and Maximum Likelihood in...

@plix259 wrote: Hello,I was exploring data imputation techniques and came across this two below techniques:1.Multiple Imputations2. Maximum Likelihood Does any one have any idea like how to implement...

View Article

Random forest based on recency frequency modelling

@nehak wrote: I have decided target variable based on Recency frequency monetary analysis. Can I keep monetray variable as one of my x variables while running random forest on the same? Posts: 1...

View Article


Why cases control sampling is most effective when the prior probabilities of...

@hinduja1234 wrote: I am currently studying about an approach of data collection called case-control sampling The case-control is a type of epidemiological observational study. An observational study...

View Article

Online Post Graduate Diploma in Business Analytics

@deepakgarg wrote: I am interested in Online Post Graduate in BA & BI. Please Share List of Colleges and Universities. Thank YouDeepak Garg Posts: 1 Participants: 1 Read full topic

View Article

Random forest IN R under classification

@nehak wrote: while running random forest in R as a classification model taking 0,1.im getting R Square value as negative.any advice regarding the corrective action Posts: 2 Participants: 2 Read full...

View Article
Browsing all 4448 articles
Browse latest View live