Approach to time series problem (xgboost)
@Fedias wrote: Hi,I have a time series problem (price ~ time (by month)).I have tried a simple HoltWinters and an xgboost model (month and observations id as variables). Then I had the idea to try to...
View ArticleChrn prediction in a time frame
@ksb23bhu wrote: I want to predict the propensity of churning of customer in next 3 months. How the window for 3 month will be created to identify who will churn in next 3 months. Will Logistic...
View ArticleHow to use Vowpal Wabbit in Python
@Ms1 wrote: Hi Can anyone help me towards sample python code for using Vowpal Wabbit online algorithm?I have installed it and want to see its performance relative to Batch algorithm. ThanksMeenu...
View ArticleWhat are the things to learn
@karthikkarthik wrote: Dear All, im a programmer in java. and im 25 years old.i need a clarity form you friends what i have to learn or to be proficient , To write a paragraph of information by simply...
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Prediction using machine learning techniques
@arman wrote: I want to perform prediciton using a machine learning technique. My dataset is very huge and so a portion of my csv dataset is included here. The whole dataset is attached in .csv...
View ArticleData science certification
@sbehani wrote: Hi , I am searching for a good data science certification institute in Bangalore. Not sure which one to pick.Help required in choosing the right data science certification institute,...
View ArticleData availability after Hackathon ends
@ajas.bakran wrote: Hi AV Team, Once Hackathon ends, there is no data to download or problem statement related to the completed Hackathon for other folks to practice, I think it would be a good idea...
View ArticleAspect based sentiment analysis
@mayankgulaty wrote: I am trying to make aspect based sentiment analysis model for a bank. Please help how to proceed with it. any help is appreciated. Posts: 1 Participants: 1 Read full topic
View ArticleShowcasing one's work
@subranjit wrote: Hi As a fresher i have worked on a few data sets and i want to showcase my work on a platform which would help me build a good resume. Can any one suggest a good way to do that?...
View ArticleAnalysis of variance Anova
@tillutony wrote: Hi Experts, given a dataset with a lot of regressors, how to use anova() to find the best model. Any general rules of thumb are appreciated. Regards,Tony Posts: 1 Participants: 1...
View ArticleFeatures at a higher resolution than the Dependant variable
@c3josh wrote: I have my dependant variable at hourly resolution and many of my features at 15 min resolution. My obvious instinct is to aggregate up, using a sum or mean ( depending on the nature of...
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How to do Stock chart pattern recognition algorithmically
@shuvayan wrote: Hello, Pasted image700x262 23.6 KB In the above chart the pattern is named Descending Triangle and there is also a quality score.Can someone please help me understand how the same can...
View ArticleMost suitable Data Science Program
@AnkitR wrote: Hi I hold a BE in Computer Engineering from MU.I have work experience of 25 months as a software engineer in an IT services MNC.I am looking forward to a full time certificate/pgp...
View ArticleFeature Engineering within the Cross Validation
@c3josh wrote: If we are doing feature engineering using for example, category means, should we be doing this inside or outside the cross validation loops? e.g. for 5 fold cross validation should we...
View ArticleData Science Internship at Analytics Vidhya
@arun.chaudhry44 wrote: Is there an internship opening at Analytics Vidhya right now or any time soon? About me, I will keep it short. I am from a non-computer science background and have gained good...
View ArticleAdditional factor level in test data which causes no prediction
@manalykum wrote: Hi, How to handle a categorical variable having 3 levels in training data but with 4 levels in test data while predicting?This is giving error while predicting... Please advise....
View ArticleBig data courses
@karthe1 wrote: Hi all / @kunal sir, I am looking for some courses on big data. The knowledge level that i am looking for a consulting work. Execution is optional. Do you have any suggestion on the...
View ArticleDependent Variable - Ordinal data - 1 to 10 Scale
@ssvbalan wrote: What is the approach to be made if our DV is ordinal Data in a scale of 1 - 10? Can we split 0-5 as bad category and 6-10 as good category to try out Logistic regression?Is this...
View ArticleMasters in Science-Big Data Analytics
@shubhamgt07 wrote: Hello, I have recently graduated last month. Now, i want to do a masters course. Will it be beneficial for me to do "Masters in Science-Big Data Analytics" from Acharya Nagarjuna...
View ArticlePCA in Regression analysis
@tillutony wrote: Hi Experts, Please point me to some example how pca can be called in regression Analysis? insights much appreciated. regards,tony Posts: 2 Participants: 2 Read full topic
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