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Error while predicting data

@sankar007 wrote: I have an issue in R-studio while predicting a dataset with Naivebayes model. this is the issue :Error in log(sapply(seq_along(attribs), function(v) { : non-numeric argument to...

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Latency Cluster Analysis

@nehak wrote: i am trying to perform cluster analysis on mixed set of variables.Can i use Latency Cluster Analysis approach?LCA is unsupervised learning as i have no response variable??? Posts: 1...

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Time series forecasting

@prakhar278 wrote: I am trying to do forecast my data but when i checked my data in Dickey-Fuller Test. its come like this my Results of Dickey-Fuller Test:Test Statistic -2.287864p-value 0.175912Lags...

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Dimension reduction

@Pallavi1 wrote: Hi, I have a data set for a set of customers and where they shop at. The dataset has 10Million customers and 400 shops where they shop at. I would like to create 5-7 groups of shops...

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Plotting quantile lines in a scatter plot

@shashwat.2014 wrote: I am currently doing a course on data exploration. In that course, I had to draw quantile lines in a scatter plot, joining the points in the scatter plot that denoted a...

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Validation Techniques fro Logistic Regression

@ksmvsn wrote: Hi, Can anyone briefly explain what are different Validation Techniques used for validating a model built by using Logistic Regression Posts: 2 Participants: 2 Read full topic

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Missing Values Imputation

@NSS wrote: I was reading a report where the limitations of general imputation methods were given. It read: The common methods results in under estimation of standard error and overestimation of test...

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Plotting heatmap over the San Francisco map for Crime Classification Problem

@syed.danish wrote: Hi,I am working on the crime classification problem from kaggle, I am trying to plot a heatmap of crime incidents over the map of San Francisco. Below is the scatter plot and code...

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R 3.3.0; Missing values not recognized as NA during read.csv - Workaround

@sagard21 wrote: Hello everyone. Thought of sharing the workaround taken for missing values not represented as NA. I was trying to figure out the NA's in the dataset and post initial import I kept...

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Share result for Mini Data Hack | Forecasting

@UltimateExcellence wrote: Guys, Please share your approach for the Mini Data Hack \, where the objective was to predict demand in next 1 year.. Thanks Posts: 1 Participants: 1 Read full topic

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How to use facet_wrap or grid to combine these two separate code

@vijaypalmanit wrote: Hi Friends, I am using below two line of code to analyze my data in two range of salaries, so I have taken subset, can someone help me to combine these two line of code using...

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What is a good order to impute dataset having NA in multiple feature without...

@Geru_San wrote: Suppose I have a dataset consists of 8 features except target feature. Each have different number of missing value. Which feature should I impute first? Feature with lowest missing...

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Embedding Model in a WebApplication

@Naveed1228 wrote: I want to develop a web Application in python using scikit-learn library.Will I use Flask web development Framework for it or any other that might be easy for me.Model I want to use...

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Doubt in following Learning Path

@gokulahd wrote: Hello all . i currently started adopting learning path .Data science in Python . i'm following like 2 learning paths which is almost similar. in these it is stated as python followed...

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Problem in submission

@Deepak_Singhal wrote: Hi,I am facing problem. while uploading CSV file to solution checker. It is showing that please check header. but my header of the dataset is exact same as error warning. Any...

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R : want to delete a level from a factor varibale with r

@loubna181 wrote: Hello I have a table with a facor variable with 3 levels. I make a subset of it where i keep only 2 levels.the point is that the varibale keep showing 3 levelstest<-data[bloc!=1,]...

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Chi-square Test

@shashwat.2014 wrote: While going through statistics, I found that the chi-square test is used to attempt the rejection of the null hypothesis. However, I have failed yet to understand how this...

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Introduction to Data analytics- Course offered by IIT Madras

@jyothishkumar wrote: Hi Everyone, IIT Madras is offering a 8 week online course about Data Analytics in July 2016. MORE DETAILS ABOUT THE COURSE Course url:...

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ValueError: Given a pandas object and the index does not contain dates

@prakhar278 wrote: Hello friend, I am doing time series forecasting but i am stuck one place.its ValueError: Given a pandas object and the index does not contain dates. why this error occurs? here is...

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Not able to predict

@Killing_Machine wrote: Hi all, I am new to predictive analytics and this is the first time i am participating in hackathon.I am trying to predict on my test dataset with following commandpredtest...

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