Intermediate modification of underlying LaTeX when rendering RMarkdown as .pdf
I'm creating a small package for generating exams with randomly ordered questions (and responses on multiple choice items) and the R part is going fine, but now I need a little more control over the...
View ArticleConnect additional input to output of intermediate layer in Keras
I want to build a model in Keras in which I densely connect a second input layer to the output of an intermediate layer of the model. Is this possible to do in Keras?PS: I am running Keras on R version...
View ArticleGrep unnamed column for row indices
We receive a monthly report in excel format where I only need specific values. Previously, I was able to use readxl to grep the desired column for the row numbers and go from there:library(readxl) file...
View ArticleCounting rows where two columns were both NA, then excluding
I am trying to:First - isolate the number of rows where the response in two particular columns was NA (so I can make sure I've done the second step right in terms of how many responses are deleted)....
View ArticleR caret package: data partition into training / test sets before trainControl?
I see a lot of R codes where a full dataset is first split into a training set and a test set:library(caret) library(klaR) # load the iris dataset data(iris) # define a 80%/20% train/test split of the...
View ArticleHow to convert month date (mm.yy) in R to month date (mon yyyy)
If I have date in this format:date <- c('11.17', '12.17', '01.18') How do I change it to this format:'Nov 2017', 'Dec 2017', 'Jan 2018'
View ArticleHow do I get all the dates with a particular time from a zoo object?
Suppose I have a zoo object of date/times (POSIXct) as my index and values:... val 2006-08-01 10:00:00 1 2006-08-01 10:10:00 2 2006-08-01 10:20:00 3 2006-08-01 10:30:00 4 ... 2006-08-02 10:00:00 5...
View ArticleHow can I create an object that stores data.frames, and allows one to...
Often times, when I'm using different 3rd party functions, said functions will return some useful data structure that stores a lot of data that I can retrieve with .. Let's say, for example, I'd like...
View ArticleRemove rows found in more than 3 groups
I have a dataframe, i am trying to remove the rows that are present in >= 3 groups. In my below example bike is the common value across 3 group and i need to remove that. Please help me to achieve...
View ArticleNeed to read several .h5 files using loop with indices
I have been given a crap ton of files I need to read over and graph. Some of the datasets have more files that other. So I need to write a loop that will do this. The code that I have written so far...
View ArticleR Dataframe Average Group by last months over Users
Suppose I have the next dataframe. How can I create a new "avg" column that is the result of averaging the last 2 dates ("date") for each group. The idea is to apply this to a dataset with hundreds of...
View Articlerun a r-script via cmd
I want to run a r-script via cmd.My first try:"C:\Program Files\R\R-3.6.0\bin\R.exe" CMD BATCH U:\Projects\005_Reports\Delta\Delta.R Result: Just an empty line "U:\", the script was not executedMy...
View ArticleCreate a detector usage table with occasions for columns [closed]
I need to create a detector usage table where the rows are individual detectors and the columns are the full date range over which they all were active. Within this table a 1 indicates the detector is...
View ArticleHow to set the resolution parameter for Louvain modularity in igraph?
is there a way to set the resolution parameter when using the function cluster_louvain to detect communities in igraph for R? It makes a lot of difference for the result, as this parameter is related...
View ArticleshinyBS - remove tooltip when dragging
I'm using dragulaR to create draggable divs in Shiny, and added a tooltip using shinyBS to each div. I was wondering if it's possible to remove the tooltip (I tried adding jQuery from JQuery UI: remove...
View Articleto "1996-04" in R (using as.Date and format functions )">Problem when I try to convert a data.frame string with date from "1996-04-22"...
I have a data frame with a some Dates, I have to convert a format "1996-04-22" to "1996-04" in R. I have the good conversion but not in data type Date and when I tried to convert this to data type...
View ArticleProblem with hdf5r finding libhdf5_hl.so.100 file
I'm trying to correctly load the R package hdf5r, well actually I want to use a dependency of hdf5r, but I'm running into problems with the hdf5r package. I've installed the hdf5r package, and no...
View ArticleIn the train method what's the relationship between tuneGrid and trControl?
The preferred method in R to train known ML models is to use the caret package and its generic train method. My question is what's the relationship between the tuneGrid and trControl parameters? as...
View ArticleUsing a list to select function to execute
I am trying to create a list with strings that depending on the value of a variable executes different functions. This would be the code at this moment:### Functions to be executed execute_spain <-...
View ArticleIssue with sapply when determining if nested list has all NA values in R
I have a nested list (or list of lists) with NA randomly allocated values. I am trying to determine if the nested list contains all NA values. For example: #Example list with NA values...
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