Retain value from nested for loop
So basically I am trying the following loop:rawData = read.csv(file = "SampleData.csv") companySplit = split(rawData, rawData$Company) NameOfCompany <- numeric() DateOfOrder <- character()...
View ArticleR Standardized Precipitation Index .nc file
I'm trying to calculate the SPI from CHIRPS monthly mean precipitation data, because it's too large I cut it down to my area of interest and here it is:...
View ArticleRepeat each row of data.frame the number of times specified in a column
df <- data.frame(var1 = c('a', 'b', 'c'), var2 = c('d', 'e', 'f'), freq = 1:3) What is the simplest way to expand each row the first two columns of the data.frame above, so that each row is repeated...
View ArticleR: compute the bootstrap estimate using rms:bootcov on caret model and glm model
How do I compute the bootstrap estimate for my regression coefficients using the function bootcov from the package rms? I tried the below with sample dataset but got an error:library(mlbench)...
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How to add points to lines with ggplot2 in R when using ggplot(df)
I am always plotting data.frames.The style that is fairly easy to use is ggplot(df)+... since one can simply add more geom_lines for additional lines without reshaping/pivoting/melting the source data...
View ArticlePlot a density differential semantic dataset
I'm coming here because after hours of research and failed trials, i dont know what to do next. I've a database (opened via dyplr with the open_excel command) that looks like the one below (but more...
View ArticleIssue with Shiny Input
I'm trying to make an app that changes based on the political question and demographics selected. I'm running into an issue with how I call my inputs, I think. Here is a dput version of my data frame...
View Articleggsurvplot:Error in parse(text = paste0("list(", paste(varnames, collapse =...
I am trying to plot a KM curve using ggsurvplot. R throws an "unexpected symbol" , exception when I use a string something like this as a variable "RP11-181G12.2" (please see the code). There seems no...
View ArticleHow to correctly include a hash value in the model?
I come across a set of hashed values ​​for one categorical variable in my data frame.Like that > hashed_data[1,2] [1] 045344e350db36e5aa27d44707026c693b6fbc513348497de3befaafb25df8c1 4112 Levels:...
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Segmented linear regression with discontinuous data
I have a dataset that looks to be piecewise linear. I would like to perform a segmented linear regression in R. The issue is that there is a discontinuity at the breakpoint. By using some pieces of...
View ArticleHow to use the dplyr `distinct()` function on a SQL database?
I'm getting the following error when I apply a specific dplyr function distinct() to a table in a SQL database.tbl(P0_MAU_3N_V, "D_QNO_MTYPE") %>% distinct() #> Error: <SQL> 'SELECT...
View ArticleR: convert elements of list into expression from function input
I am writing a function, where the inputs are arguments and name of another function. I would like to convert these arguments and function name into an unevaluated expression or call. For example, if...
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Convert List and Dataframe to a DATAFRAME
I have a DF called "billing". <?xml version="1.0" encoding="ISO-8859-1" ?> <test:TASS xmlns="http://www.vvv.com/schemas" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"...
View ArticleThe most efficient and fastest way to categorise data in dataframes and save...
I have 1000 dataframes importing from 1000 different txt files as below. Surname Name Type Age Dept Gold Craige 1 24 100 Goodwin Madison 1 41 49 Young Emma 2 31 34 Young Rose 2 26 3 Young Brad 2 42 76...
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Code needed to convert call variable to two separate variables
I have a file exported from a PCR plate software. I need a code to convert the call variable ("Allele 1, Allele 2, Heterozygote and No Call") to the two separate variable ("G1-2 1" and "G1-2...
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How to replace a variable without interfere with the variable just being...
I have a survey data as shown in this screenshot, some of the items are revised graded, therefore I need to replace the revised graded item's value: 1 to 5, 2 to 4 However, after changing 1 to 5, I...
View ArticlePaste a string of variable names into function in R
I've got two strings of variable names that looks like this> names_a = paste(paste0('a', seq(0,6,1)), collapse = ", ") > names_a [1] "a0, a1, a2, a3, a4, a5, a6"> names_b = paste(paste0('b',...
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Propensity Score Matching and subset the data by using a weighting factor in R
I am doing Propensity Score Matching and want to subset the data for treatment and control but by using weights. I have 5 variables: ID, treatment(yes/No), Outcome(Yes/No), Age and "Weights". I was...
View ArticleReturn name of the row with its maximum value from certain column
I am writing a function that has arguments of utensil but actually returns the name of the brand that sells in maximum cost using data frame below: utensil cost brand 1 pen 1 a 2 pencil 2 b 3 pen 5 c 4...
View ArticleR function to download XLS files using URL
After receiving an answer from Montgomery Clift in another post (see here), I tried writing a function in order to loop through multiple days within a month span to collect data from Baseball...
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