Churn model using Survival analysis
@megov31 wrote: Hello I'm trying to create a customer churn model using Parametric method of Survival analysis in R. Would like to know if anyone has done that before?I'm not sure which kind of...
View ArticleAnomaly detection on large time series dataset
@data_vinci wrote: How can one perform anomaly detection on a time series dataset which has a size greater than a local machine's RAM?The data in question is in the form of a jsonl file, is ~20 GBs...
View ArticlePredict what is the likelihood of winning a open deal this quarter (in next...
@mi2nrulz wrote: Have 1 year sales funnel data and want to predict what is the likelihood of winning a open deal this quarter (in next 90 days) or moving out to future quarters. This is a big problem...
View ArticleCould not find function >"xgb.DMatrix" in R
@KumarP wrote: 0down votefavoritestr(new_my_data)'data.frame': 1082426 obs. of 91 variables: ** My all variables are belong to Numerical and integer. forming Data set train_index <-...
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Identify column values that are in train but missing in test
@mohdsanadzakirizvi wrote: I have data of the following structure Screen Shot 2017-07-11 at 13.35.42.png909x237 23.6 KB I want to check how many values of the column "Item_Identifier" are missing in...
View ArticleR. Reusing trained models for sentiment prediction
@SRIRANJANI wrote: Is it feasible to use trained and saved models on new data to predict sentiment ? I am building a model using SVM technique on some text data to predict sentiments and saved it....
View ArticleMethods for daily water consumption prediction
@pratikhunny wrote: Data available:- For a county in the USA Following columns are there:- MeterId, Consumer_Name, Address, Meter_Size Note:- For each Consumer_Name there can be more than 1 meter and...
View ArticleR :Using OpenMPI
@Data-SEO wrote: What is OpenMPI ? MPI : Message Passing Interface is a specification for an API for passing messages between different computers. Programming with MPI * Difficult because of Rmpi...
View ArticleLow train accuracy but high test accuracy
@rajvnair wrote: I have a imbalanced data, the binary logistic model performs poorly on train dataset with an AUC of 0.66 but it performs well on my test data with an AUC of 0.84. Is it possible and...
View ArticlePickleShareDB help required
@SoDhan wrote: I have come across an analytics problem recently which deals with a data set that is very peculiar kind. It consists of a rar file which upon extraction I got more rar files which upon...
View ArticlePython or R for Data Analytics
@kdamedhar wrote: Hi All, I am starting learning DA , what should be my plan to start R or Python , as per current market ?My goal is to be comfortable with DAtill october .Kindly suggest... Posts: 1...
View ArticleCareer move from Mainframes to big data or data science?
@archiemb wrote: I am a mainframe professional with 12 years of experience working mostly as an individual contributor and an SME in my business domain. I am looking at skilling myself on data science...
View ArticleAnyone applying to any Analytics/Big Data programs?
@JoeClark wrote: Hello, I've looked in the forums and even business analytics videos,but didnt really see anything about people applying to Analytics programs.I've looked in the forums and didnt...
View ArticleMedian is more than Mean - Interpretation
@AdarshaG wrote: Hello Friends,I recently started learning Data Science modules, of which started with Statistics basics. I came across a situation where i tried to draw Summary Statistics for all the...
View ArticleCan i download test result for datahack>
@chenokay wrote: If I get the result data of test for loan prediction, I can hack my model with correct result. Is there any way to get test result. thanks Posts: 1 Participants: 1 Read full topic
View ArticleLight gbm sample R code
@hemantsain55 wrote: Anybody can share a sample R code for regression problem using light gbm with standard tuning parameters. **Note: Also include data type conversion of data set if needed by...
View ArticleSupport not Responding
@hemantsain55 wrote: I apologize for such an irrelevant post but i'm facing some issues with my analyticsvidhya profile which needed to be solved asap, i have already wrote to contact us page 15 days...
View ArticleCombin[, User_Count := .N, by = User_ID]
@itsmenarayana wrote: can any pls convert this line intocombin$Usercount <-............... Posts: 1 Participants: 1 Read full topic
View ArticleAbout using Linear Regression with different types
@ramya_keerthana wrote: In a data, there are 9 columns and first 8 columns give various measured properties of wine, as floating point numbers, and the final column is a factor (categorical variable)...
View ArticleHow to map values using 3 columns?
@ASHISH_17 wrote: Using pivot table, I am only able to find out Male who were married and irrespective of whether loan approved or not.I want to find out Male who were married and were given Loan...
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