14 Questions 13 Answers 0 Followers
Questions related from Shivi Bhatia
HI Team, I have one of the independent variable as age which is highly skewed. i need to apply the variable transformation technique on this variable before i included it in the model either...
03 November 2017 7,257 0 View
I am building a classification model using Random Forrest, Decision Trees & Logistic regression. For one of my critical variable i have some missing values. In some earlier models during...
24 May 2017 5,944 4 View
Hi Team, I am creating an n-gram analysis on a text mining data however receiving the error as:- Error in .jcall("RWekaInterfaces", "[S", "tokenize", .jcast(tokenizer, :...
10 March 2017 8,096 1 View
Hi All , I am trying to read few csv files for some text mining assignment. I have used this command to check the # of files in the working directory: length(dir(path="D:/Shivi/R Project",...
02 March 2017 4,961 3 View
HI Team, We have recently purchased and started using Tableau desktop 10.1.1 latest version. I am facing issue with the map as maps are not displayed and only show dots. I have searched and found...
25 November 2016 4,253 1 View
Dear Team, I am working on an assignment where the data is from a publishing and media house. It has CRM data- age, name, gender, ethnicity etc. demographic information, client since years, if...
21 October 2016 4,016 1 View
Dear Team, I am using Kolmogorov-Smirnov Test to check the model performance. I have built 3 models and the accuracy is around 70%- 76% for the models (the higher the better). Is there any...
24 August 2016 1,680 5 View
Dear All, I need to work on Speech Analytics for a client requirement. This is big data leading to approx 500 GB of data. We have calls that needs to be converted into text and then with the help...
13 July 2016 5,844 3 View
Dear Team, I am running a multinomial logistic regression model for one of the fictitious data before i implement the same on my real data. Here i am trying to predict based some scores and...
09 July 2016 2,226 4 View
Dear Team, I need to replicate the below Pearson test in R as i have done in SAS. Basically this is a survey data where there are 4 rating and then i have a final rating which is the major one...
22 June 2016 7,333 4 View
Hi All, I am working on a twitter sentiment analysis for which i have used R to run the sentiment for me. I am referring to very helpful article from Bora Beran...
01 January 1970 4,933 2 View
I am working on a sales data for one of our customers and performing some exploratory analysis.We have almost 100 million rows of data. As this is a sales data/ purchase data hence the gender is a...
01 January 1970 2,202 5 View
Hi All, I am working on a twitter analysis using the TM package. Below are some codes: 1- Here i am creating a data frame of the data collected from...
01 January 1970 6,973 1 View
Hi Team, Good Day. I am working on a text mining assignment and have built the document matrix using the tm package. Now I need to run findAssocs from my dtm with some word say 'like' with a...
01 January 1970 1,123 5 View
