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How does boosting actually work
@pagal_guy wrote: hello, I recently read the below piece while I was learning about ensembles/boosting: From what I understand:If there are 10 variables in the X's,at first all the variables have...
View ArticleHow can i see the weights in boosting in R
@pagal_guy wrote: Hello, Applying separate weights to records according to whether they have been able to correctly/incorrectly classify is an inherent feature of the boosting algorithm.Is there a way...
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Sas missing values
@sanchi_singh1 wrote: Respected sir,I wrote following code to extract the missing and non missing values in my dataset. Now what i want is to have missing values seperately in dataset dse using output...
View ArticleHow to deal with dates which are less than 1970 in R
@deepak9oct wrote: When R looks at dates , its origin is January 1, 1970. Now in my one variable date of birth is 3rd Jan 1970 but R can't handle this as it is less then 1970.. Is there any way to...
View ArticleHow to improve linear regression model performance?
@Debanjan_Banerjee wrote: Dear All, I am working with a model with (3 predictive variables) on a simple linear regression model. All the variables have numerical and non-categorical values. However...
View ArticleFrom which resources can I learn Piwik Web analytics
@shkFaheem wrote: I need to learn Piwik web analytics tool , Can any one have sources , docs or videos ,Please share with me.faheem.analytics@gmail.com Posts: 1 Participants: 1 Read full topic
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When can the data contain 1/0 for amount and kgs
@pagal_guy wrote: Hello, I have been asked to gain insights from the below dataset: Here amount and kgs are 0/1,this is baffling for me.Can someone please guide me on how to interpret this data.The...
View ArticleBest classroom training institute for Business Analytics course in Bangalore
@patro wrote: Can any one please suggest best classroom training institute for Business Analytics course in Bangalore Posts: 1 Participants: 1 Read full topic
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How can I plot the margins of SVM in R
@pagal_guy wrote: hello, While studying about SVM's I got interested in knowing how to plot the margins for the data and stumbled upon this code on stackoverflow: However I do not understand this...
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How do I decide on the optimal value of cost in SVM in R
@pagal_guy wrote: hello, While trying to understand how the cost affects the performance of an SVM I noticed a few things: m <- svm(quality_bin ~ ., data = training, cost = 0.1) # here the cost...
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Preparing Data for Repeated-Measures ANOVA in R and SPSS
@analyticsResearcher wrote: I have dummy data for an experiment done on two respondents. Each respondent is exposed to 8 chocolate packaging designs, and then asked about quality and other...
View ArticleHow to resolve:Python error: "cannot compare a dtyped [float64] array with a...
@Aarshay wrote: I'm facing a peculiar issue. I'm trying to filter a pandas dataframe using criteria across multiple columns. Here is the code snipet:data.loc[passID,"CoupleTravel"] =...
View ArticleHow to resolve :Enthought Canopy: User-defined module not getting updated in...
@Aarshay wrote: Hello, I'm using Enthought Canopy environment for running Python 2.7. I've created a script named "preProcess_titanic.py" which contains a pre_process function. I'm importing this...
View ArticlePython error: "cannot reindex from a duplicate axis"
@Aarshay wrote: Hello, I'm facing a problem in python wherein I'm getting the error "cannot reindex from a duplicate axis". I have 2 data sets which I have concatenated into 1 using:data =...
View ArticleHow to calculate the model building and predicting time of a classifier in...
@hinduja1234 wrote: I am currently solving one classification problem using naive Bayes algorithm in python, I have built the model, but I want to how to calculate the model building and predicting...
View ArticleHow to improve Accuracy of Decision Tree / Random Forest
@k_saurabh86 wrote: Hi Team, I am trying to resolve a classification problem using decision tree or random forest. Amount of data is good and the attributes are majorly categorical in nature and one...
View ArticleNeed Assistance in learning Data Science
@tabrez wrote: Hi,I have unstructured knowledge in analytics,though I have worked on python,mongodb,D3js I have no idea how to shift completely in to that field.Can anyone please help me in...
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How to interpret the result of a logistic regression model?
@harry wrote: I am currently solving one classification problem using logistic regression algorithm. Screenshot (99).png1366x768 20.1 KB I want to know how the logistic regression model calculates the...
View ArticleImporting xgboost package in python
@krishna_cse37 wrote: Hi, I'm new to python. I'm trying to import xgboost package in python 2, but not able to do it so far. Not able to find any good resources to get it done. I'm using Windows 7, 64...
View ArticleCareer shift from auditing to Analytics
@rjassal wrote: Hi, I have done B.com(H) in 2015 and currently working as an "Audit Associate" in EY. It has been almost 3 months in EY but when I look at my further career, I see analytics as one of...
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