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What are Categorical Variables?

@ayushgg92 wrote: I wanted to know the basic definition of a categorical variable Posts: 3 Participants: 3 Read full topic

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Which is the best online Training institute

@Anandk wrote: Can anyone suggest which institute is the best for online training on analytics ? I did some research , but not sure which one to select as the reviews can be biased. Posts: 1...

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How is the prob matrix generated in Markov Chain - cat and mouse problem

@hackers wrote: Hello, While learning about Markov Chain I came across the below problem: A simple Markov chain – cat and mouseSuppose there is a row of five adjacent boxes, with a cat in the first...

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Kaggle Titanic: Logistic Regression - higher cross validation scores results...

@Aarshay wrote: Hi, I'm working on the Titanic problem at Kaggle. I'm focusing on getting a reasonably good solution using Logistic Regression. I've created some features and the training and test set...

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SP Jain or Aegis school ? Which is best for a fresher?

@vibov wrote: Hi Kunal, Aegis school:1)Aegis school is offering a course with associated with IBM.2)Course curriculum has more IBM software teaching. 3)Its a 6 month program plus 3 months...

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What are some good reference materials for outlier treatment

@ramesh_shamanna wrote: Hello, I tried to google for best material on outlier treatment using R for below mentioned methods. Could not find anything. Could you please provide good reference material...

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How to plot a proper decision tree using fancyrpartplot in R

@hackers wrote: Hello, I am trying to use decision trees for a multi-class classification problem as below: #Use rpart: model.rpart <- rpart(promotion_name ~ .,data = training_imp_var,method =...

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Download New Year Resolutions Checklist 2016

@Manish wrote: New Year Resolutions Checklist 2016 Hello, To ensure you don't fail on your resolutions, you can download the checklist and keep a track of your progress during the year. You can once...

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What would be a ideal Machine Configuration to run a Recurrent Neural Network

@Ramesh_Ramachandran wrote: I am attempting to set up a Recurrent Neural Network for Time Series analysis for Financial markets. I would be implementing this in Theano. The setup up would be on a...

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What is the difference between h2o.glm.wrapper and h2o.glm in H2O

@pagal_guy wrote: Hello, I have been learning h2o from R and while trying to implement ensembles in it I came across wrapper functions: What is the difference between h2o.glm and h2o.glm.wrapper??...

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Seeking Career guidance to switch from Oracle Developer to Analytics

@Vikas_Pradhan wrote: Hi,Appreciate your great effort and also thankful of all members who are involved in this journey directly or indirectly. It really helps to gain knowledge for relevant article....

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How to get the proportion in table command of R?

@harry wrote: I am currently trying to solve kaggle titanic problem I want to see how Sex variable effects the survival of the passenger for this I have used the table function but I want to know...

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What is the Best SAS certification for an aspiring DATA SCIENTIST

@freefootvt wrote: hi i have a background in BI,ETL,DW and aspire to become a DATA SCIENTIST.For professional front which SAS certification you would recommend.Also i need to certify myself...

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Clustering technique for mixed-Numeric and Categorical Variables

@nehak wrote: I want to perform clustering for mixed variables in R.Kindly guide me regarding the same.The dataset consists of >100000 observations and almost 20 variables Posts: 5 Participants: 4...

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Macbook 13" vs Macbook 15" for Machine Learning

@Aarshay wrote: Hi, I am considering purchasing a macbook for running all kinds of machine learning algorithms. There are 2 options: Macbook 13" - Dual Core | i5 | 256GB | 8 GB RAM Macbook 15" - Quad...

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How to provide a custom stop-word list in R?

@SD1 wrote: Hi,I am currently working on a email-classification problem based on keywords in the contents of the mail. I am new to R and need some help. I have a very long list of stop-words in a text...

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What is pruning and How to do pruning in Decision trees

@Rohit_Nair wrote: I understood what is decision trees and how it works with help of Sunil Sir's article http://www.analyticsvidhya.com/blog/2015/01/decision-tree-algorithms-simplified/#comment-102870...

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How to resolve error:label and prediction size not matching while...

@hackers wrote: Hello, I am trying to use xgboost for a binary classification problem. # xgboost parameters param <- list("objective" = "binary:logistic", # binary classification "num_class" = 2, #...

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How to resolve error while predicting using xgboost in R

@hackers wrote: Hello, I am trying to implement xgboost in R for a classification problem: # xgboost parameters param <- list("objective" = "binary:logistic", # binary classification "eval_metric"...

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What are the packages required to plot a fancy Rpart plot in R

@sid100158 wrote: While learning about decision tree I came to know, we can plot a fancy plot of a decision tree.But I want to what packages required to plot a fancy decision tree. my tree...

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