
A character object is used to represent string values in R. We convert objects into character values with the as.character() …
 122 views
 0 answers
 0 votes

Survival analysis requires keeping track both of the followup time and whether the last followup time represented an “event” or …
 90 views
 0 answers
 0 votes

ggplot2 isn’t part of the standard distribution of R, you have to download the package from CRAN and install it. …
 113 views
 0 answers
 0 votes

Binomial Distribution 1. Fixed no. of Trials (n). 2. Only 2 possible outcomes are possible. 3. A probability of Success …
 67 views
 0 answers
 0 votes

We use apply() over a matrice. This function takes 5 arguments:
 110 views
 0 answers
 0 votes

Logistic regression is a statistical method for analyzing a dataset in which there are one or more independent variables that …
 61 views
 0 answers
 0 votes

Collaborative filtering is the predictive process behind recommendation engines. Collaborative filtering uses algorithms to filter data from user reviews to …
 90 views
 0 answers
 0 votes

1. Trellis graphics for R . 2. Flexible enough to handle most nonstandard requirements. 3. Emphasis on multivariate data. 4. …
 65 views
 0 answers
 0 votes

Hierarchical Clustering in R. Clustering is the most common form of unsupervised learning, a type of machine learning algorithm used …
 80 views
 0 answers
 0 votes

It is used to model the probability of obtaining one of two outcomes, a certain number of times (k), out …
 72 views
 0 answers
 0 votes