Why backward selection can not be used when n
@harry wrote: I am currently studying about forward stepwise selection and backward stepwise selection method for selection of the features in the model. forward stepwise selection - It is the method...
View ArticleCan bootstrap is used for estimation prediction error
@ankit81195 wrote: I am currently studying about bootstrap and while studying it I came across question can bootstrap is used for estimating the prediction error.I have searched it and found it that...
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The metric "Accuracy" was not in the result set. ROC will be used instead. #...
@Rohit_Nair wrote: Here I m trying to do parameter tuning in xgboost using caret pacakge.I m getting a warning msg like this. Pls tell me what should i do so that i can remove this warning and i can...
View ArticleRelative Importance of Independent Variables
@Nidhin_VC wrote: Hi Friends, Could you guys let me know of any possible ways by which the relative importance of Independent variables in predicting a dependent variable (dichotomous variable) .I am...
View ArticleImplementation of k Nearest Neighbor from scratch
@deepnarainsingh wrote: Implementing a machine learning algorithm on your own can give better understanding about how the thing works under the hood. This also helps in understanding the mathematical...
View ArticleIs this site dead. Dont we have mods/ experts answering to queries
@shivaacc wrote: I am just curious. Funnily the institutes quote this site as if they determine standards while this site has minimal response and answers for many folks expecting some help and...
View ArticleDownload data set of DYD Competition
@Manish wrote: Hello For practice purpose, the data set of Date Your Data Competition is available for download here. You can run the codes at your end. Understand, how each line of code affects the...
View ArticleAnalytics in Energy domain(Oil Wells)?
@rahul29 wrote: Hi, Has anybody applied analytics in Energy domain(or particular to Oil well industry) to predict failure of various equipment leads to production halt? Please share , if something is...
View ArticleCustomer Analytics
@rajeshdata2015 wrote: Hello everyone, This is Rajesh, from hyderabad. I recently joined as Data Analyst in a company. Here am using "Portrait Miner Suite" by Piney Bowes. Its exclusively for Customer...
View ArticleHandson practice of prediction modelling
@newton2304 wrote: Hi All, Are there any other sites apart from Kaggle where we can practice prediction on a beginner level. Posts: 3 Participants: 3 Read full topic
View ArticleComparison between Ridge ,linear and lasso regression
@ankit81195 wrote: I am studying about different type regression algorithm while studying I have learnt three regression algorithm 1) Ridge2)linear 3)lasso I want to know the comparsion between them...
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Why it is necessary to use cross validation approach to find the tuning...
@ankit81195 wrote: I am currently studying about lasso regression. lasso regression - In statistics and machine learning, lasso (least absolute shrinkage and selection operator) (also Lasso or LASSO)...
View ArticleStatistic Videos
@Shubham26 wrote: Hi, Does anyone can help me with good source of statistics videos to build the statistics foundation? Thanks,Shubham Posts: 1 Participants: 1 Read full topic
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Practice Problem : Time Series
@bhatguru013 wrote: Getting error while trying to load the solution file. "Please check the test data set, all Datetime are not available" Can somebody tell me what is going wrong here? Thanks,Guru...
View ArticleHow to check for Stability of a model
@Surya1987 wrote: Let's say we have developed a model which is predicting properly both on training and test data. We have automated the model and delivered to client. Will it perform well in all the...
View ArticleAima for Discrete Data
@hargan.gandhi wrote: Hello Experts, Actually i want to predict Number of patients for particular day. I have one hospital data, and hence i decided to use ARIMA FORECASTING.But i am not sure that...
View ArticlePath to be a data analyst?
@ankmon wrote: am Ankit singh Chauhan. I did B.tech Electrical and MBA marketing. At present i am working with Electric Switchgear Company as a sales executive. i want to go in Analytics field. Can...
View ArticleWhy scaling matters in in lasso regression?
@ankit81195 wrote: While learning about lasso regression I found that to use lasso regression we have to standardize the predictors but when we have to use normal methods like the linear regression in...
View ArticleHow Gini Index is different from entropy value for splitting the node?
@sid100158 wrote: I am studying about decision tree and the parameters which help in splitting the decision tree while studying I found two parameters one entropy and other is the Gini index. Gini...
View ArticleHow cubic splines is different from the natural cubic splines?
@sid100158 wrote: I am currently studying the methods which are used to fit nonlinear models while studying them I found one great method is splined . I found two types of splines one is cubic splines...
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