What does the Warning :The response has five or fewer unique values while...
@harry wrote: I am currently solving one classification problem using random forest algorithm in R .I am able to create the model, but it giving me warning I want to the reason....
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How to choose the number of splits in a tree
@sid100158 wrote: I am currently solving one classification problem using CART in R, while doing it I build a tree .I want to know how to know the number of splits in a tree.My tree. f6.png1366x650...
View ArticleVariable reduction when there 10+ categorical variable like...
@ved wrote: If I have more than 10+ categorical variables like sex, size(small,medium,large) , color(Red, Black, White) etc. Is there any variable reduction method like correlation, VIF which I can...
View Article"Error: inherits(doc, "TextDocument") is not TRUE " while performing text...
@harry wrote: I am currently studying the text analysis in R and while studying it I have performed all the preprocessing steps to built the model for text analysis but when I am trying to calculate...
View ArticleHow K-fold Cross-validation helps in improving the model?
@sid100158 wrote: I am currently solving one classification problem using CART in R .I have built the model using rpart after building the model I have looked into some methods which can improve the...
View ArticleHow to create Self learning data product
@azimulh wrote: I am trying to build price recommendation solution for clients in a scalable manner. I have two choices as below. Professional service: Statistician involvement to build regression...
View ArticleCareer Shift to Data Analytics Without Actual Hands-on Experience
@amal_kmr_singh wrote: Hi Team, I am a big fan of this website and I really appreciate the work @kunal and his team is doing. I am Data Analytics Enthusiast, with knowledge of Python, Statistics and...
View ArticleStructured Thinking Resource
@statguy53 wrote: Can anyone recommend books or other references about structured thinking? Thanks Posts: 1 Participants: 1 Read full topic
View ArticleText Mining Problem- urgent
@santu_rcc014 wrote: hello All my friends, senior and junior I have one problem. I need valuable input from your side. The problem is : I have around 50k records given by users. I also have five pre...
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How to reshape data as transactions in R
@pagal_guy wrote: Hello, I have some data which looks like: Pasted image702x323 25.9 KB From this I am trying to create a transactions dataset via: transact <- subset(sales,select =...
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How to pass the variable y to ggplot in R
@pagal_guy wrote: Hello, I have some aggregated data: And I want to display the store_sales by product_category using ggplot.I am using the below code: ggplot(data = agg_sales_pcat, aes(x =...
View ArticleWhich of the distance between cluster is best for clustering?
@sid100158 wrote: I am currently studying about clustering while clustering I have studied three type distance Euclidean Distance Manhattan Distance - Sum of absolute values of squares. Maximum...
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How to find number of cluster in cluster dendrogram?
@hinduja1234 wrote: I am studying about Hierarchical clustering which is another method for finding the cluster in the data. Hierarchical clustering is usually represented by the cluster dendrogram....
View ArticleHow clustering helps in improving the performance of the model?
@sid100158 wrote: I am currently studying about clustering while studying it I have learned that clustering is an Unsupervised learning (Segment the data into similar groups instead of predictions)...
View ArticleFind a algorithm to apply my prevention system to predict the incidents
@darum2002 wrote: Dear sir I would like to build the system for the prevention activities in emergency response center or community. But I need to find a algorithm to apply my prevention system to...
View ArticleHow ggplot is different from basic plotting function in R?
@harry wrote: I am currently studying about visualization in R, while studying it I have read about the package called ggplot2.which helps in plotting in R by adding the layer to existing plot.I want...
View ArticleHow to add regression line to the given scatter plot in R?
@harry wrote: I am currently trying to plot my regression model in the given scatter plot which I have a plot by using ggplot.I want to know how I can plot my model in the given plot. #### Is the...
View ArticleHow to resolve error in Algorithms for time dependent data (esp. Market...
@saitej09 wrote: Hi I am a newbie and I am trying to write a small app for predicting share price with any of the basic time dependent algorithms. I had come across this blog and am trying to use...
View ArticleHow to resolve Python Error: "The first argument of bincount must be...
@Aarshay wrote: Hi, I'm trying to create a histogram in python after taking a log transformation using the following code: coltr = np.log(col) skew = coltr.skew() kurt = coltr.kurt() title =...
View ArticlePredict relative probability with the rate of 57% or higher
@karimkhan123 wrote: I want to Study and analyzing of algorithms and make predictions on key data for different sports. There are 3 #'s and I have hundreds of such records. 1. the screens predicted...
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