Data preperation
@raviteja1993 wrote: Can we train a model and test it with a data set having different no.of columns??? Posts: 6 Participants: 5 Read full topic
View ArticleText mining DTM
@raviteja1993 wrote: I have build a DTM matrix from a set of reviews which is like 650*1000 matrix. i.e. 650 words and 1000 reviews . I have attached labels to this DTM which are know prior. Now I...
View ArticlePh. D. Scholar requires review dataset for research purpose
@mrvisa06 wrote: Currently I am pursuing ph.d. in computer science. I am using Machine Learning techniques and interested in Opinion mining for that I would require online review dataset that must be...
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Logistic Regression From Scratch for Loan Prediction
@aaron11 wrote: Hi, Freinds I want an urgent help on implementing a logistic regression equation for the loan prediction data set. The approach given below in the provided link is just calling the...
View ArticleHow do I shift from Sales background to Data Science
@shalder713 wrote: I am having experience of 8 years in Marketing, Sales and Product Development, I want to shift to Data Science. What should I do ? Also can I expect to make a career in Data Science...
View ArticleUsing Facebook API in R
@naik_abhilash wrote: Has anyone tried Facebook API recently? I am trying to get some data from Facebook using the Rfacebook package. But currently, stuck with the app review process. Any help in...
View ArticleHow to do prediction using online ARIMA algorithm
@pooja16 wrote: I have daily time-series data for stocks data. I am using ARIMA to forecast values. It works perfectly fine, however it takes time. I am looking for online ARIMA algorithm...
View ArticleDoes this forum support queries about statistics or only datascience and...
@akshay.kotha wrote: My earlier queries regarding a problem created a confusion and people were suggesting how to make predictions rather than suggestions on how to find out the cause/ behavioral...
View ArticleText mining in r
@raviteja1993 wrote: function for bag of words model in r?? similar to this : sklearn.feature_extraction.text .CountVectorizer Posts: 1 Participants: 1 Read full topic
View ArticlePredicting new product performance
@tuts wrote: hi, How would you go about predicting the performance of a new product, given the following dataset? Target var is “outcome next 30days” clickstream data available for new products...
View ArticlePredict future attrition with survival analysis
@omohiefe wrote: Hi, I was wondering if, like with machine learning algos - regression, decision trees etc-, one can use survival analysis to predict outcomes for new data not included in the model...
View ArticleHow to find correlation among multiple attributes in group by dataframe object?
@shounakrockz47 wrote: I have a data frame with following attributes : CP - Counting point of vehicles A-Junction - Starting node of a road B-Junction - Ending node of a road Road - Road name Date -...
View ArticleDeep learning setup requirements
@sumod4318 wrote: For implementing Deep Learning works using Tensor Flow, Keras alg for my PhD purpose, i think to setup PC with minimal cost requirement. For that shall i proceed with 2GB Nvidia GT...
View ArticleHow to find similar images using deep learning algorithms
@harshalpatil.nmu wrote: I have 70 images , from which I have to find which images are similar . I am using convolution neural network but cnn used for classification , my problem is related to...
View ArticleArgument is not numeric or logical: returning NA ---R
@psra19 wrote: Hi , I am new to R and having little hard time while learning R. I am trying to get a mean of age and i am getting error “argument is not numeric or logical: returning NA” while its...
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Beginners Tutorial for Regular Expressions in Python | Python Learning
@GirishHN wrote: Analytics Vidhya – 7 Jun 15 Beginners Tutorial for Regular Expressions in Python | Python Learning Regular expression is a sequence of character(s) mainly used to find and replace...
View ArticleWhat does it mean if test and train accuracy is oscillating too much for CNN...
@aditya55 wrote: I have implemented a CNN with images as input and 2 classes as output. I have applied mean subtraction to the input for normalisation before giving it as input to the network. But on...
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Error when using Keras2DML in Apache spark
@pooja16 wrote: I am running a python script which uses Keras2DML function of systemml using spark. I am getting an error py4j.protocol.Py4JJavaError: An error occurred while calling...
View ArticleExtract Date from text in Python(Text Mining)
@rock_bt wrote: Hello Everyone, I want to extract dates from a text file and sort them in ascending chronological order Assumptions: Assume all dates in xx/xx/xx format are mm/dd/yy Assume all dates...
View ArticleUsing decision trees for feature reduction
@shirish77 wrote: My dataset has predefined training, validation and test data with 100,000 features. Can I reduce the features by using decision trees on combined (training + validation) data? Or is...
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