What is the meaning of interaction depth in gbm using 'caret' in R
@hackers wrote: Hello, While using gbm for a classification problem I came upon the interaction.depth option in the tunGrid function for gbm using caret gbmGrid <- expand.grid(interaction.depth =...
View ArticleHow is the score calcuated for any susmission
@sorghosh wrote: I submit my code file and solution file. My auc score was coming 73% however after submitting it say the score is 0%. Any suggestion of how to approach submission of the code file and...
View ArticleLoan Prediction, Reveal Your Approach
@gau2112 wrote: Kindly reveal your approach in Loan Prediction Competition. @divye_gupta I would love to read your approach. Posts: 3 Participants: 3 Read full topic
View ArticleHow to download data from internet directly into R?
@sid100158 wrote: I was thinking that when we use to download data from a given link or source we used to go to given site to download it and if the data is updating then more often we are not able to...
View ArticleHow to check that given directory exist or not using R?
@sid100158 wrote: I am currently studying about how to create directory in R and while studying, I came to know to a function in R dir.create("directory name") I want to is there a command in R by...
View ArticleError while reading csv file using read.table function in R
@harry wrote: I am currently studying about how to load data in R while studying I came across a function read.table in R .I have used this function to load one file which gives me an error .I want to...
View ArticleCan you access leaderboard for Loan prediction?
@Shravanbm wrote: I cannot seem to open leader board position. Is there any problem with it? Posts: 2 Participants: 2 Read full topic
View ArticleHow are you guys filling in the missing data? - Loan prediciton
@Shravanbm wrote: Hi Guys,I have seen that there are lot of missing data especially Credit History. Any idea how you guys are dealing with missing data? Posts: 3 Participants: 3 Read full topic
View ArticleWhat is difference between unsupervised learning, supervised learning and...
@hinduja1234 wrote: While searching about various techniques of machine learning.I have found that there exist three type of learning Unsupervised Learning Unsupervised learning is when you have no...
View ArticleHow to decide no of ntrees in randomForest?
@Rohit_Nair wrote: I was trying to run a randomForest code in R...So there's a paramter ntree. In kaggle forum i saw mny people taking random values for ntree like 50,100,500. So on what basis are...
View ArticleHow to create an ensemble of Naive Bayes models?
@SD1 wrote: Hi,I am working on an email classification problem with 4 classes. I used Naive Bayes algorithm for classification. The accuracy turns out to be decent (~65%) given that there is a some...
View ArticleHow can I create User personas using machine learning?
@pathardepavan wrote: I have users, apps and actions( installs, uninstalls, usage) data with me. I want to understand how can i start creating user groups like user is likely social savvy, user is...
View ArticleCCP in Data Science
@eng_hamdan wrote: Would you please share your knowledge and experience about Cloudera CCP in Data Science certification? Posts: 1 Participants: 1 Read full topic
View ArticleUploading solution file
@aravkat wrote: Hi, Is there any particular format in which the solution file need to be uploaded? Posts: 1 Participants: 1 Read full topic
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Free Data Science courses starting very soon - Learning Statistics & SAP Hana...
@Lesaffrea wrote: Hi All, There are two courses starting very soon, which could be of interest for Data Scientist, I mean the people of this forum 1.* Statistical Learning by T. Hastie and R....
View ArticleHow to verify that the data is Random in Data Science
@heyjag wrote: When predicting results from a data set using any of the ML techniques, how do I finalize that there is no pattern and the underlying data is random in nature?In other words, if a data...
View Article10 years exp in Java.How to approach learning machine learning
@sivaramom wrote: I have 10 years experience in Java.I want to learn and work Machine learning.How to approach learning Machine learning?.What are the Maths to study before and how long this would...
View ArticleWhat kind of work culture does Fractal Analytics follow?
@sukanya wrote: I have got an offer from Fractal Analytics and hence, I am inquisitive about knowing the kind of work culture they follow. Starting from teamwork, communication, growth, timings, dress...
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How to replace missing values in a particular column using knnImpute
@pagal_guy wrote: hello, I am trying to use the knnImpute function to replace missing values in Age for the Titanic problem in R. library(imputation) kNNImpute(combi$Age, 3) However this is giving me...
View ArticleHow does C4.5 treat missing values internally
@pagal_guy wrote: hello, While trying to understand the replacement of missing values I came to know that the decision tree algorithm C4.5 handles missing values internally by treating them as a...
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