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Text Mining: NLP or NN

@anjalibatra wrote: I am working on a project that requires a lot of test mining and text summarization. The data available is quite vast but noisy. what do you guys suggest, I should be working with...

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Project related to share market

@adesh.394 wrote: Hi…I am learning R. I need to do one project related to share market. Can someone help me about topic? Other than prediction what kind of analytics can I do with share market data?...

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Need help in ascertaining the right ML technique

@kchandr1 wrote: One of the client requirements that we have is to find out if the vehicle or accessory configuration being done for the current year ( a large set of attributes ) is wrong based on...

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Urban Sound Classification

@soham25 wrote: I am getting NameError: name ‘train’ is not defined this error when we try to print out sound graphs on jackhammer,drilling,dog_barking. Tried to search on internet couldn’t find any...

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How to tabulate unstructured data?

@tiwana1996 wrote: How we tabulate unstructured text data in SAS? Posts: 1 Participants: 1 Read full topic

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Finding length of unstructered data

@tiwana1996 wrote: How we find the maximum length of data in unstructured text data in SAS? Posts: 1 Participants: 1 Read full topic

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How to find over model is overfitting or not?

@ashokasr143 wrote: How to find whether our model is overfitting or not by using K-cross folding.After performing K-cross folding i am getting 79 as mean for 10 k-Cross folding Posts: 2 Participants:...

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Need your help to find all matched item in LHS of Apriori(R)

@kumard wrote: Hi Expert, Hello Everyone! I run the apriori to find association between product and item purchased. Product Item1 Item2 Item3 Item4 Item5 Item6 Biscuit 1 0 0 1 1 1 Soap 1 1 1 1 1 1 Tea...

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University of Virginia Data Science

@akshay965 wrote: How would you rate the Data Science program at University of Virginia? Does it come in the top 10 programs for Data Science in the US? Posts: 1 Participants: 1 Read full topic

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IIIT-B + Upgrad data science course placement statistics? (July 2018)

@karthikakal wrote: Kunal posted a great article about the data science diploma program (online) offered by UpGrad in collaboration with IIIT-Bangalore (see the article here). Unfortunately at the...

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Time forecasting:...

@ali79 wrote: Hello, So, I followed the article linked in the subject. It is a great article, but it doesn’t show how to forecast future values. Later in comments I see the following and I have the...

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Grid search related to machine learning knn algorithm

@shashank_kumar wrote: How do we apply grid search over KNN algorithms Posts: 1 Participants: 1 Read full topic

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Interactive Maps

@swatsy wrote: Hey All, Any R tool that can help with Interactive Maps - Mapping demographic info on the Country (India) / State map. Thanks in advance Posts: 2 Participants: 2 Read full topic

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Sentiment analysis

@raviteja1993 wrote: H all, Generally for a sentiment analysis we count the number of +ve or -ve words in a review and which ever is higher we give that sentiment to that review. Is there any other...

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Which ML techniques to use for demand forecasting in a retail company?

@upriser7 wrote: Suppose a retail company has 1000 products and 1000 stores, if I want to forecast demand of each product at store and day level (I mean forecasting for each and every day of the...

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Handwritten Digit Recognition using R

@vashish1 wrote: I am using tesseract package in R to read pre printed and handwritten text / digit on the image and then storing those values in R dataframe Appreciate if you could guide me on the...

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Imputting missing values with -999?

@ashokasr143 wrote: which is the best method for imputation?? imputing with mean, median or mode or with -999?? imputing with -999 what does this exactly means Posts: 3 Participants: 3 Read full topic

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Correlation doubt

@sheldon1990 wrote: What is an example where Pearson correlation coefficient between 2 variables might be zero even when they have a relationship between them ? Posts: 2 Participants: 2 Read full topic

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Statistics in Machine learning

@omkar18 wrote: Hi Team, I am new to ML and have started learning statistics (Descriptive, inferential, p-test, t-test, z-test and hypothesis) and wants to understand when we need to apply these tests...

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How `subsample` parameter affect XGBRegressor for a time series data

@sachinkalsi wrote: Hello, I was going through this article about parameter tuning in Xgboost. Here we have a parameter called subsample which is the fraction of observations to be randomly samples...

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