Using text mining to evaluate and score interview candidates
@Pavn wrote: I Have a task on text mining.The task is to evaluate and score questions answered by all the candidates attending an interview on a particular skill.I am looking to do this using r.Please...
View ArticleWhere to Begin With
@graviteja1985 wrote: Hello to all the members of this forum. I am very new to the world of Data Science. Can someone guide me which books to start with for beginning my journey in to the World of...
View ArticleGetting an error 'ValueError: bad input shape (1906, 38)' when applying...
@vikas_10 wrote: Hello everyone,I am trying to fit a logistics regression model in python on a data frame 'df'. My target variable is categorical. Originally, I had 16 variables. Few of them are...
View ArticleScaling and standardizing is a confusing choice
@tillutony wrote: Hi, Please explain me in learning in Choosing between scaling and standardizing, Is Scaling and Standardization different? Regards, Tony Posts: 2 Participants: 2 Read full topic
View ArticleGetting error while installing 'pattern' package in python
@vikas_10 wrote: Hello everyoneI am working on NLP with Gensim in Python. To lemmatize the corpus, I want to use .utilis functions. To do so, I am trying to install 'pattern' package. But when I gave...
View ArticleLinear Algebra & Eigenvectors
@shan4224 wrote: In the article at 5.1 How to find Eigenvectors of a matrix? the following is mentioned.(A-c)x = 0 …….(1)Once you find the determinant of the matrix (A-c) and equate to 0, you will get...
View ArticleAir quality index prediction
@shivakrishna9 wrote: Hello data crunchers, Did anyone worked with Air quality prediction problem? Please suggest me sources or links with regard to pollution related data analysis techniques. Posts:...
View ArticleAge Prediction of Bollywood Actors
@tinkudhull wrote: The images of the actors have different pixel sizes. How to deal with them in convolutional neural networks ? How to make the same resolution of all images ? Posts: 1 Participants:...
View ArticleLabels on x-axis are overlapping in bar plot. How to fix it?
@vikas_10 wrote: Hello everyoneI am currently working on data exploration in python. I have imported seaborn library as sns. I want to plot a bar plot using sns.barplot(). But I have a large number of...
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How to Interpret the Scatterplot matrix in R
@manojkrishna wrote: I'm new to R prog. .. Can someone tell me how to understand the scatterplot matrix.. what to consider as x-axis and y axis and how can i draw the conclusions from it .. the data...
View ArticleBinary Data Comparison in Excel
@Stephen_Lam wrote: Hello Everyone, I'm doing some data analyses on the binary data, the binary data is either "Pass" or "Fail". The purpose of this analysis is to find the why there are some...
View ArticleWhich measure gives the appropriate answer
@ramya_keerthana wrote: when we want to report the summary of a data set, which measure(mode, mean,median, iqr, percentile) will give the most appropriate answer? can anyone clarify this Posts: 1...
View ArticleHelp me to transform my career into Data Science
@CSK wrote: Hi All, I’m currently working as Reporting Analyst in IT Industry and having 9+ years’ experience in IT Asset/Change Management and Reporting analyst. All reporting stuff will be based on...
View ArticleH2o.glm for regression problem
@sirishan wrote: I am trying to execute the below code and it has been successfully executed till h2o.performance(regressionmodel). But getting the error message when i try to execute h2o.predict()....
View ArticleHow to learn NLP by practicing? Any learning path for this?
@ssvbalan wrote: Hi,I have just finished with a basic course in NLP using python NLTK packages.It included projects on sentimental Analysis, Text Classification. So, Wud like to know the path to build...
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Plotting data on y axis
@sangameshks wrote: Code data1<-read.csv(choose.files(),header = TRUE) data1$Date<-as.Date(data1$Date, "%d %m %y") close<-data1$Close date<-data1$Date plot(x=close,y=date) PFB data...
View ArticleText based prediction
@rumsinha wrote: I have last 2 years of data with component and headlines. Unique 2035 components. I need to build a prediction model which will learn from the 2 years data and then predict which...
View ArticleApplying Naive Bayes model created in R outside of R
@Nishant_S wrote: Hello everyone, I have created a Naive Bayes model in R using package e1071. This model aims at predicting the scores in a game on a scale of 1 to 10. My query is that if I want to...
View ArticleWeb Scrapping from AMAZON.IN in R
@knowpallav wrote: I'm trying to scrape reviews from Amazon using the following code in R (using CSS selector gadget)library(rvest)library(XML) Amazon Reviews aurl <-...
View ArticleData type Conversion
@siddhant96goswami wrote: I have a column in my data which shows percentage of bounce rate but it is in character mode. How to convert the character mode into numeric mode so that i can divide it with...
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