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How to write a large R dataframe into SQLServer?

@praneeth26 wrote: I am trying to save my prediction results (R dataframe) into SQLServer. I used RODBC's functions such as sqlsave() and sqlcopy() to create a table in SQLServer from R. but I have no...

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Analytics - EFFORT ESTIMATES

@Vishwanath_SMG wrote: Hi Team, I am in need to respond and derive effort estimate for an analytics project. Could you please share the approach in terms of deriving the estimates and man hours. I...

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Spark DataFrames: how to work with dense vectors and sparse vectors

@reydepi wrote: I'm working with Spark 2.1.0, pyspark and DataFrames for clustering documents in topics using Latent Dirichlet allocation (LDA): lda = LDA(k = 10)model = lda.fit(dataset)topics =...

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Text Mining tools which has control operators

@sarthakgirdhar wrote: Hi everyone, I have over 7000 forum threads in an excel file. The data has two columns- Subject-> which tells about the problem that a customer is facing. Body-> the...

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R how to relate datasets with multiple predictor values to a single target...

@Niteshdm wrote: I have a dataset which predictors contains monthly temperature values for particular year and my target variable has only one value per year. Now to make prediction how can i relate...

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Decision Tree - Minbucket

@dada_kishore wrote: Hi, I ran a decision tree in R using min bucket 2 and i obtained a tree with about six layers (depth). First split divided the dataset into 69% and 31% data respectively and so...

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Data Exploration and Machine Learning app using R Shiny

@Surya1987 wrote: Team, I am sharing the app related to Data Exploration and machine learning. Features includes:Data Exploration, Running Models, Finding important Variable, Comparison of the Model...

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Recommender System Error

@nehak wrote: Hi i am trying to run a code in R for Recommender System:I have converted the data into matrix format and even then facing this:While running the Recommender Engine code in R i am...

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Discrete Fourier Transform

@eafpres wrote: I'm trying to use a discrete Fourier transform to find the main frequency components of some multiply periodic time series data. I want to construct a waveform that contains the main...

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Defining a machine learning problem

@lcdss wrote: Hi, I'm a very beginner in this area and I need to, for while, define a AI problem: Generate diets based on personal person information using a big training set of data and supervised by...

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XGBOOST - Python Installation on Windows

@deepak_k wrote: Hi Guys, Need help. I am unable to install XGBOOST- Python (3.5) on Windows. I tried multiple ways provided on internet....

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I need solution to the identify the digits problem

@coolphil15 wrote: i am trying to learn Analytics and need help in one solving one of the practice problems.I have been trying to solve the Identify the digit problem and need help in terms of the...

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Please help on sas basic error

@vipul wrote: I am a beinner in sas and data feild and have just started using these tools and techniques..so seek some help.This is a sample code that i am using but it is showing some error .. data...

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Question regarding skill-test

@chakravarty wrote: Hi team,I have been back on AV after long time.Is there a way I can take completed skill-test to test my memory.I can find only About and Leadership options there is no...

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R doubt and sentiment analysis

@bvprasad wrote: hi i have datasets like films effecting youth.from that dataset how to define positive negative neutral and how to get similar meaning text in R and how to apply ranking on that...

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Classifying Incident Analysis

@ciaocorleone wrote: Trying to solve a use case with text analytics. I have data exported from a ticketing system which has a category, type of ticket, title & problem description. I have to...

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Best tool for Text mining, Image processing,Video Analysis

@ssvbalan wrote: Hi, I am currently learning python. I already know R & SAS and different models/Algorithms.But still to learn text mining, Image processing,Video analysis. Which language is good...

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NER or Text extraction in NLP?

@tell2jyoti wrote: Hi,I have a problem of Text extraction. like suppose below are two paragraph are part of 2 different company profile and in that I need to find company business segment.1. ASC...

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How to convert data from XML to JSON

@Somu wrote: How do I convert a XML file to JSON. please help me to do this friends thank you. Posts: 1 Participants: 1 Read full topic

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How can Modeling Quality be measured / assessed?

@gladsonp wrote: Whilst a lot has been spoken about calculating ROI for Analytics by comparing pre and post implementation performance data points, very little content is available on measuring the...

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