Forecasting Active Users?
@JuanSGiraldo wrote: Hi everyone, I am new to the forum so please forgive me if this question has been previously asked! I have been collecting data on the number of users that have used my app on a...
View ArticleHow to Cluster graphs
@GauravRathi wrote: Hi. Please suggest some techniques to cluster bunch of graphs. I need to make clusters and use them for bench marking. Thanks Posts: 2 Participants: 2 Read full topic
View ArticleSampling of San Francisco crime data on the basis of category
@BhanuPratap wrote: I am working on San Francisco crime data here I want to divide my data set in five sub dataset.( more than 800000 rows). With the help of these subset I am going to create five...
View ArticleRequest for Articles - March 2017
@kunal wrote: Hi everyone, This is a new, simple and powerful initiative we are starting on Analytics Vidhya. Going forward, we will start a new thread like this every month and take suggestions on...
View ArticleGroup Lasso Implementation in R
@Varnith wrote: Hi,I am trying to implement Group Lasso using 'grplasso' package.I am facing trouble finding the lambda value(penalty parameter).There is a function 'lambdamax',which provides a value...
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Naive Bayes- Loan Prediction
@erigits wrote: I am trying to work on Naive Bayes, Loan Prediction (German Credit Dataset-from UCI) and I am getting the attached error, any helpwill be highly appreciated errorNB.jpg1128x774 125 KB...
View ArticleDocument similarity in R
@bvprasad wrote: Hi i have a doubt.in csv file it contains opinions and from positive opinions i need simila meaning of text using R.please guide Posts: 1 Participants: 1 Read full topic
View ArticleLarge dataset Python
@udsharma015 wrote: Hi Everyone, I have a question regarding working with large dataset using python. I have a dataset of around 3.5 GB( json), it contains 4 million rows and 10 columns. I need to...
View ArticleTrain & test data partition
@SubhayuNath wrote: Is it always advisable to do the data treatment/variable selection/dimension reduction of the whole sample dataset before it actually get partitioned into train and...
View ArticleJobs at Analytics Vidhya Portal - Bug needs fix
@arvindsom wrote: Here's my story while applying for a job on the portal, i search for a job, click on on the headline and it takes me to the details of the job description and other details...
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AV Datafest 2017 is Back
@kswati wrote: We are back with one of the biggest events in data science & machine learning - AV DATAFEST 2017. This April we are turning 4 and we are celebrating it with this month-long event....
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Unable to View Images in Analytics Vidhya on Browser
@kjsdrizzles wrote: Hi Guys, When i started attempting strategic thinking practice problem in Analytics Vidhya,the images are not getting displayed,which is crucial for answering the questions. Can...
View ArticleProfile Question
@Georgios_Sarantitis wrote: Hi, I would like to ask if the discussion forum is connected to the datahack category. I am asking this because when I see my profile in Datahack and I click on...
View ArticleP value and the corresponding type 1 error
@rumsinha wrote: my null hypothesis: mu<=0alternate: mu>5 based on this right tail test but my t statistics comes as -0.388978596. what will my p value be 0.35 or 0.65? I get my p value as 0.65...
View ArticleShiny and bubbles library
@rumsinha wrote: I created the plot using library(bubbles) in shiny application. each plot shows one particular component. If I need to capture the component name at user click how can I achieve this?...
View ArticleHow can I capture the node label or value at runtime for bubbles chart using...
@rumsinha wrote: 1down votefavorite I am creating bubble plot using library(bubbles) in r and shiny. I get the plot but my requirement is I should be able to capture the value in each node when user...
View ArticleData Quality Critical Data elements identification
@VasuV wrote: Hi All As we are all aware that there are stringent regulatory compliance which banks, pharma customers have to go through. Many of these compliances are mandating the customers to...
View ArticlePrediction test error
@jatin_raina wrote: r studio 1.01.136 windows 10 64 bit prediction_test <- predict(train.tree,newdata = test ,type = "class")Error in model.frame.default(Terms, newdata, na.action = na.action, xlev...
View ArticleBooks for Natural Language Processing NLP
@sonicboom8 wrote: Hi,Can anyone suggest some good books for NLP from beginner level to advance level? Posts: 2 Participants: 2 Read full topic
View ArticlePredicting mean-time-between-failure MTBF
@is.ibrahim wrote: Hello, I need to work on a statistical model to predict MTBF. Actually the failures are Bernoulli process and I cannot consider them as a continuous variables, so, what are your...
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