compute daily average for a certain time period
I have daily data for over 50 years. I need to generate a new dataset with averaged values of daily data.For each day the average should be taken as including daily data from past 10 years and future...
View ArticleWorkflow for R-Keras on Google Colab
I would like to do machine learning with R (please accept my choice) and was wondering if I could use the IRkernel on google colab to install and run keras and thereby access the tensorflow library in...
View ArticleR loop function over time
First off I'd like the apologize for any vague descriptions here. It's my first week on R and I am still getting used to the new lingo.I am trying to show to movement of bike sharing stations over the...
View ArticleDecision Tree party package prediction error - Levels do not match
I am building a CART regression tree model in R using party package, but I got error message saying levels do not match when I try to apply the model with testing dataset. I have spent the past week...
View ArticleAdd (+) 1 to each row that has 0 in dataframe
I have a dataframe that looks like this.df1 <- read.table(text = " REF_CNT.x ALT_CNT.x REF_CNT.y ALT_CNT.y 1 397 0 574 2 2 417 2 219 0 3 537 2 31 0 4 117 5 154 0 5 76 2 52 0 6 238 0 102 2 7 265 0...
View ArticleSubsetting my data is not yielding the expected results
I have a dataset of 93 observations. There are only two variables, a factor (size, a number) and it's response (percent, also a number). The factor value ranges from 0-2000. I would like to combine...
View Articlewhat are the parameters of bayes optimization for tuning parameter?
I am using Bayesian optimization to tune the parameters of SVM for regression problem. In the following code, what should be the value of init_grid_dt = initial_grid ? I got the upper and lower bounds...
View ArticleHas the method annotations in R(NLP package) been deprecated or replaced?
I am following this article https://mylearnmachinelearning.com/category/linear-regression/ to create a Named Entity Extractor. Like required, I have installed all the openNLP, NLP, rJava, magrittr and...
View ArticleClik here to view.
Add text in between multiple plots
I am plotting 5 rasters side by side. The figure represents a linear regression model, and so the plot should represent r1 ~ r2 + r3 + r4 + r5. I am using par() to line up the 5 rasters and would like...
View ArticleHTML Parsing help to extract Author Names from URL website in R using getNodeSet
I am having trouble extracting the names of authors as variables form the URL below in R. I understand the basics of the GetNodeSet when looking at the structure of data in xml format, but I don't...
View Articlelapply & unique plot name
I have a list of 18 items (called allDataTestRetest), for all these 18 items I want to make a plot. I made the following function to make a Bland Altman Plot of my data: rater = input[,4] ba.stats...
View ArticleCreate a scatter plot between multiple variables
Create a scatter plot between flavanoids and phenols. Have the point color and shape reflect the wine origin.given:wineurl <- paste("https://archive.ics.uci.edu/ml/",...
View ArticleNot getting all() quicker using Rcpp
As I'm a bit new to Rcpp, I might be missing a trick here.Let's create two matrices:library(Rcpp) library(microbenchmark) P <- matrix(0, 200,500) for(i in 1:500) P[,i] <- rep(rep(sample(0:1), 2),...
View ArticleClik here to view.
Missing predictor variable computing Bayesian ANOVA using stan_aov from...
I am computing a Bayesian ANOVA to investigate how my heading variable affects FirstSteeringTime. Here is an example of my data set:x <- structure(list(FirstSteeringTime = c(0.433389999999999,...
View ArticleR: Include only business day observations in a data frame with observations...
I have a data frame with a date column and two columns of observations. I want to create a new data frame where only the observations that are from business days are included. I tried...
View ArticlePoisson distribution in R mixdist package
I think my data might be described by a sum of Poisson distributions and I found out about mixdist package for R. I managed to fit gamma and lnorm distributions, but I can't figure out how to use...
View ArticleClik here to view.
How do I set the regression line color in the r car scatterplotMatrix function
How do I change the color of the regression line in the r car scatterplotMatrix function?If I run this code:# Load the iris dataset. library(car) data(iris) # Plot #1: Basic scatterplot matrix of the...
View ArticleHow do I keep as.data.frame.matrix from using my first variable as row names?
I want to create a table of my data so I can sort my values for "gymnasiegrov" according to frequency. I write the following code:#creating table#...
View ArticleHow to simplify a case_when() inside a mutate()
I have a data frame and I want to add a column. For that purpose, I use dplyr::mutate. However, the values of the column I want to add depend of the value of other column. I use case_when() and the...
View ArticleClik here to view.
How to interpret Residuals vs. Fitted Plot
I am investigating the effects of weather conditions on restaurant demand. Currently, I am testing the model assumptions for my multiple linear regression model.My model specification (simplified) is...
View Article