Category "r"

Split numbers and dates into separate columns

My data contains text strings with three important features, an id number separated by":" and a starting date and an end date. I need to get these tree numbers

How to filter out rows that do not fit specified condition in R [duplicate]

I have this data frame: df <- data.frame (ID = c(1:20), Ethnicity = c(rep(c("White", "Asian", "Black", "Hispanic", "Othe

Terra equivalent for raster::stack()?

Basically the title. I know you can read in a folder of rasters with rast() but I just want to stack two rasters that are read in separately. Thanks

Automatically find the best figure dimensions in r?

I am producing many different plots in rmakrdown using ggplot2 and don't want to manually edit their fig.width() ; fig.height() or fig.asp() one by one. Some pl

How to create a mosaic from different shapefile in R?

I have 37 shapefiles with different names.Individually each of them represent a different part of a country. I would like to create a mosaic of my 37 shp to jus

How to apply code to dataframe by condition?

I have the following dataframe: library(dplyr) library(tidyverse) library(concordance) Year <- c(2016,2016,2017,2019,2020,2020,2020,2013,2010,2010) Pf <-

How to sum values in multiple rows to a new column in R?

My dataframe: structure(list(Observation = c("Apple", "Blueberry", "Cirtus", "Dates", "Eggplant"), Topic = 1:5, Gamma = c(0.1, 0.1, 0.2, 0.2, 0.1)), class = "

Looping through environment objects with a special pattern

I have a multiple lists in my environment(all start with "CDS_"). Each list is conducted of multiple sub lists.I want to call the lists one by one to apply a fu

stargazer: odds ratio for hazards model with wrong significance stars

I have been using the following function to output logistic regression tables with stargazer as odds ratio with the right significance stars and standard errors

testing for proportional hazards: cox.zph()

I am confused on what the cox.zph is showing. I came across this test in documentation for the finalfit package, and there was this bit under the heading "Testi

R matrix - how to convert data from data frame columns into 1/0 matrix

I'm preparing a master's degree project and stuck with basic data manipulation. I'm importing several data from the Prestashop database to R, one of those is a

Preparing data for Gephi with Python or R

I am currently trying to prepare my data for network analysis in Gephi. I have data in the following format: Raw Data SHIPMENTCOUNT US Port Foreign Initial Po

R plot doesn't shows on Mac but the same plot shows on Windows

Yesterday I bought a Mac (M1 processor) and today I installed R and R Studio. I tried to plot the same code in a Windows machine and my Mac, but the plot only s

Insert Attributes in Parent Nodes in JSON with data.tree in R

I am new to tree.data, and have the following data: library(data.tree) library(jsonlite) # data Show <- c("The Flintstones", "The Flintstones", "The Flintst

survfit outputs NA upper bounds but median survival is reached

The following data reach the median survival of 50%, but the upper bounds are NA. I am unable to figure out why the upper bounds are NA if I have valid survival

Count number of rows that fulfill multiple conditions in R

I have a dataframe: df <- data.frame (ID = c(1:20), Ethnicity = c(rep(c("White", "Asian", "Black", "Hispanic", "Other"), times=20/5)),

Purrr::pmap using a named list of columns with '~' function doesn't respect names from .l?

This is my first time posting, so bear with me. I'm using purrr::pmap() to map a function over 3 columns of a tibble(), to create a 4th column library(tidyverse

Delete title section from shinydashboard box

How can someone delete the title section in shiny box? Or reduce its height to 0? No I dont want it NULL or ="" library(shiny) library(plotly) library(shinydash

Having trouble when installing rgee at "2.Creating a Python enviroment(rgee)"

codes are simple: library(rgee) ee_install()` what shows in console are as follow: ee_install() --------------------------------------------------------------

CONDITION WHICH VERIFY THE 2 FIRST CARACTER

I am working in R, this is a look of my table : IAE_2017 IAE_2018 L1PYSH L2PYSH M1CHIMIE M2CHIMIE ..... ........ Now I want to make a conditi