Calculating predicted values from the negative linear regression using PGLM
@Ashis wrote: Hi, I have developed a fixed effect negative binomial model using PGLM package for panel data where my outcome variable is a count variable. I am able to get the coefficients from the...
View ArticleSAS base certification
@phanibvn wrote: Hello, I'm mechanical graduate with two years of experience, Currently pursing one year Post Graduation program in Business Analytics at SCMHRD, as part of curriculum we were taught...
View ArticleData Analyst in Market Research
@mathsuji12 wrote: Hi, Im Sujeth completed Btech in IT and working as a Data Analyst in Market Research Company and Im planning to do Mtech in Data Science or SAS course. Will it be usefull for me in...
View ArticleError: could not find function "sample.split"
@harry wrote: I am currently solving one classification problem for which I am trying to split the training data into training and testing of my model for which I am using the sample.split function...
View ArticleCan anyone suggest me some good institutes in Bangalore for Business Analyst...
@ianuj wrote: I am looking for a classroom course (2-3 months course). I have graduated with BE in Computer Science in 2015. Posts: 1 Participants: 1 Read full topic
View ArticleError while calculating the information value
@hinduja1234 wrote: I am currently finding the information value for variable selection for modelling.For this, I am trying to install GitHub package of it.But I am getting the error. install...
View ArticleWhat does min_samples_split means in decision tree?
@hinduja1234 wrote: I am currently solving one classification problem using decision tree algorithm in python, when I calculated the accuracy of my model I got 90.8% so, I searched the documentation...
View ArticleWNS & NIIT University joint MBA program in Business analytics - thoughts /...
@knowledge_seeker wrote: Dear all, The program: Recently, I came across a joint MBA program offered by WNS & NIIT University. This is a two year specialized program and is said to be co-created by...
View ArticleHow to change the position of chart objects in Qlikview?
@Karan wrote: Hi, I am working on Qlikview dashboard and to represent distribution, I have selected pie chart. This chart has various components title, legend and chart. By default, legend is...
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How to calculate the entropy of distribution with or without a given plot?
@harry wrote: I am currently studying about Decision tree algorithm and while studying it I found that Entropy is a measure which controls how decision tree decides how to split data Entropy - Control...
View ArticleGuidelines and advice for possible way to catch job in Analytics
@balachandareee_6 wrote: Hi, i have 3 years of experience in IT, mainframe. I want to change my career to Analytics. I am in the process of learning the basics. Can you please advice me to prepare for...
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How are levels combined for categorical variables
@pagal_guy wrote: hello, In the below image are shown some levels which have been merged into a single level.Can someone please guide me through the logic of merging the particular levels. Pasted...
View ArticleWhich Logistic Regression model should be selected among several models?
@ramesh_shamanna wrote: I am performing logistic regression for the telecom churn data. There are around 10,000 records of it. There is no missing value in the dataset. While performing univariate...
View ArticleWhat does link specifies in logistic regression modelling?
@harry wrote: I am currently trying to build one classifier using logistic regression algorithm. mod<-step(glm(Dependent~., family = binomial(link=logit),data = train_final)) link - a specification...
View ArticleHow to compare several models in R
@pagal_guy wrote: hello, Currently I am doing several classification models: ctrl <- trainControl(method="repeatedcv",repeats = 10) forestFit <- train(as.factor(Recommended) ~ Material +...
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How to resolve different levels in confusion matrix in R
@pagal_guy wrote: hello, While using SVM in R through this code: ctrl <- trainControl(method="repeatedcv",repeats = 10) svmfit <- train(as.factor(Recommended) ~ ., data = train1,method =...
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What is the difference between svmRadial and lssvmradial in R
@pagal_guy wrote: hello, Pasted image711x523 53.3 KB As can be seen there is a difference in the two methods used above. #SVM 1: X <- train1[,c(15:51)] svmfit.radial <-...
View ArticleHow to load 9.3 GB data in R studio with 32 GB RAM size
@ved wrote: When I load 9.3 gb data in R studio.It shows error..says can't make vector of size 2048 mb. The system I am using is 64 bit windows with 32 GB RAM with R 64 bit. The limit was supposed to...
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When do we use Kappa Statistic as a measure of model performance vs Accuracy
@pagal_guy wrote: Hello, In the below code and images I am trying to solve a classification problem by gbm: ## gbm fitting: set.seed(123) fitControl <- trainControl(method = 'cv', number = 10,...
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What does the expand.grid function in caret do?
@pagal_guy wrote: hello, set.seed(123) fitControl <- trainControl(method = 'cv', number = 10, summaryFunction=defaultSummary) Grid <- expand.grid( n.trees = seq(50,1000,50), interaction.depth =...
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