Unable to do submission in black_friday hackathon
@Rishabh0709 wrote: Hi All,I was able to do my first submission successfully in black_friday hackathon, but after that i am unable to do any submission.I'd either got error like "Improper header" or...
View ArticleFilling missing values with '-1'
@B.Rabbit wrote: Hello People,When dealing with missing values in some cases I've seen people filling missing values with -1, what is the logic behind this? regards Posts: 1 Participants: 1 Read full...
View ArticleUnable to find executable file for iPython / Jupyter
@tillutony wrote: Hi All, I am new to python and installed python 3.5. I have downloaded I python and unable to find .exe file please help me to proceed further. Regards,tony Posts: 3 Participants: 3...
View ArticleXgboost: Unstable Output
@smita.agrawal777 wrote: Hi, I am using Xgboost for a Machine Learning task... My outcomes are differing when I save the model and try to load it again to obtain predictions for the dependent variable...
View ArticleHow to normalize the skewed multivariate data? (in R)
@bhargavitipoju wrote: I have got a customer data involving variables like credit limit, DSO days etc.. having outliers ,missing values,and zeros. I want to cluster the data as Low risk ,Medium risk...
View ArticleAcceptance criteria for % of Missing values
@ssvbalan wrote: Is there any specific cutoff / limit /percentage for the acceptance of missing values in a particular variable in a dataset?Ex : If 70% of the values are missing in a variable, what...
View ArticleHackathon: Black Friday: Error in uploading the file
@jha_gaurav wrote: I am trying to upload a solution file but I am getting error "Check if the file is in the correct format or has the correct headers". I am a bit confused as the file looks correct...
View ArticleTake home data challenge - samples
@kthouz wrote: Hi all, I am a fresh graduate and actively applying for data science positions. Since I have no professional experience yet, I would like to know if there is any public repo, blog or...
View ArticleHow do I create a data frame with all possible combinations of three other...
@B.Rabbit wrote: Hello, I have three data frames each of one column and different number of rows(Say df1, df2, df3 are the three dataframes). I need to create a new data frame containing all possible...
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Help needed in doing a few operations in the following data set(R)
@B.Rabbit wrote: Hello, Pasted image924x817 95 KB The above file consists of 4 features namely Hospital_ID, District_ID, Instrument_ID and Projected Revenue. The list of all possible Instrument_IDs...
View ArticleBest ML Tool-Large Datasets 10-100 GB
@is2015 wrote: Hi, what is the best tool to perform machine learning on datasets in the range of 10-100 GB. This falls between the upto 10 GB (available in R/Python) and 100GB + (Amazon + Spark)...
View ArticleHow to find MAPE metric in Python?
@Rohit_Nair wrote: Can anyone help me with a code to find out MAPE in python ?I am beginner in python and i cannot find any inbuilt function for that.So can anyone help me with any code ?I tried this...
View ArticleHow to do the Panel Data regression in R or python
@CH249863 wrote: Hi , I am working on the Panel data regression in R with the help of plm package. I am unable to interpret the results and understand the model output. I used below R...
View ArticleGame recommendation Engine - In app purchase
@Amit_Sood wrote: Hello, I am trying to build a recommendation engine for a popular mobile game(ios and android). Currently the app doesn't have a recommendation engine that is data driven. All the...
View ArticleLoan Prediction III : Wanted to know about Final solution option
@Dattatray.Shinde wrote: I have participated in Practice Problem: Loan Prediction III and wanted to know that what will happen if I marked one of my solution as final? Can I submit more solutions...
View ArticleSmart Recruits Practise
@chaituchaitanya28 wrote: Hi Team, I missed to participate Smart Recruits competition How can i view the Smart Recruits Hackathon questions ? If i want to practice them now Posts: 1 Participants: 1...
View ArticleVariable Clustering in R
@Rishabh0709 wrote: Hi All,I recently got an assignment for variable clustering and model building using R.A brief description about it:Given that , the data is clean.( free from missing values,...
View ArticleNatural language processing
@Shubham26 wrote: Hi Folks, Me and my few team mates have decide to build a project on NLP using python, it will be sentiment analysis on patient chat conversation to predict their depression level....
View ArticlePG Diploma in Applied Statistics
@Rishabh0709 wrote: Hi All,One of my friend is planning to go for "PG Diploma in Applied Statistics" from IGNOU (Indira Gandhi National Open University) The link for the course...
View ArticleBlack Friday practice problem, features
@munitech4u wrote: Hello, Since it is a practice problem, I am interested to know, what features other people are thinking. Here are the features I have already tried apart from existing columns and...
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