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Data Analysis Steps involved

@djoshi wrote: In Datathon many a times a data-set or a few data-sets are given to participants.Participants are asked to communicate the insight from the data in a form of presentation.My question is...

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Finding a bottleneck using root cause algorithm

@andrei_donati wrote: Hey guys,imagine this scenario:I have a production line with multiple stations in series.One of these stations is the bottleneck of the line. It is in the middle of the line.Each...

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How to combine different dimension (both frame has one column with different...

@itsmenarayana wrote: how to combine different dimension (both frame has one column with different sort and dimension) in Rthanks for reading my questionthanks a lot if any1 helps Posts: 1...

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CSS Corp is hiring Machine Learning developers

@1rafy wrote: [Job opportunity for 2017 Graduate in Machine Learning] Are you passionate about machine learning, neural networks or software development? Inviting you to unleash your programming...

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Read a large json dataset in pandas

@mohdsanadzakirizvi wrote: Hey, I have a large dataset in a json file. The file is 1.2GB in size. I'm not able to read it using pandas.read_json(..) . Do we have a way of handling large datasets like...

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Convert rgb images and corresponding labels into a csv file

@BakaryDiaby wrote: Hello everybody, I have 100 RGB images (jpeg) with four labels : 0, 1, 2 ,3. i just want to create a csv file that contains image pixels with corresponding labels. Could anyone...

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Jigsaw data science with R foundation course

@reckless wrote: Hi I want to know how this self paced course is for me. I am from non IT non Quant background.Will this give me good knowledge of basic skills and would it add to my CV.Thanks Posts:...

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Level of difficulty

@ASHISH_17 wrote: I have started with the Loan Prediction dataset and will be going with the Titanic Challenge on Kaggle within 3-4 days. I need a little guidance regarding level of difficulty that...

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Goodness of fit for binary logistic regression

@rajvnair wrote: What is a good test to check for goodness of fit for a binary logistic regression? I tried the hosmer-lemeshow test and obtained a p-value of 0.012 which means insignificant from the...

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How to decode encoded xml in wso2 developer studio proxy service?

@jessica210 wrote: I am using oracle provided web service to invoke oracle bi publisher XML report, then I have to read the XML output of report returned by web service. The issue is, the web service...

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Identify the most isolated location’s Location Id

@mishumsa wrote: Hello All, I am facing a problem in one of my project. I have given a data set with 4 columns (Country,Longitude,Latitude,LocationId). I need to identify the most isolated location’s...

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stringsAsFactor = FALSE is a good practice or not?

@rahul0795 wrote: I was wondering that whether stringsAsFactor = FALSE is good to specify in the read.csv() of R. I was using this but sometimes i see codes of topper data scientists and they dont use...

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Research on data science certification

@prateek0291 wrote: I am doing a research on the parameters that are emphasized upon while opting for a Data Science Certification. Please fill in your responses at -...

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Filling missing values

@ASHISH_17 wrote: I am trying to fill missing values of Dependents column using the below code and getting - TypeError: (‘cannot use label indexing with a null key’) Code is -...

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Imputing Missing Values

@ASHISH_17 wrote: How to fill missing values in Credit History using Loan Status column. Such as missing value of Credit History againts ‘1’ in Loan Status should be filled as 1 and missing value of...

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How to get probabilities from Boosting algorithms?

@sandoz wrote: Hi, I am currently using the R logistic regression to provide me with coefficients later plugged ( this done in a vba macro) into a logistic equation which provide probabilities for...

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Null vs Missing Values

@shilpa wrote: while predicting employee churn I want to include Termination Age. But for employees who are still active the termination age will not be applicable. So this is a case of null value and...

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Problem in running http server (python)

@ksr102631 wrote: python -m http.server command is not working. can anyone please help to troubleshoot Posts: 2 Participants: 2 Read full topic

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DATASET OPTIMIZER (Sentiment Analysis)

@Seremonia wrote: I am focusing on machine learning. Currently i am improving naive bayes text classifier. I am not using library but on my own coding from scratch. Having enthusiast on research to...

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Changing categorial into numerical variables

@ASHISH_17 wrote: I am trying to change categorial into numerical variable but getting this error - FutureWarning: elementwise comparison failed; returning scalar instead, but in the future will...

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