Posts by user250908 • 77 points
10 posts
-
0
votes0
answers19
viewsQ: Identification of extreme values in reduced samples
I am running an analysis where I need to find a reference value for small groups of observations (between 3 and 10). As some samples present at least a very discrepant value I will try to identify…
rasked user250908 77 -
0
votes0
answers38
viewsQ: Excel export
It needed to export some elements of R: distribution tables, Plots, etc to excel in order to "fill" predefined and formatted spaces (namely as regards colors, font etc.) in excel. How can I do?…
-
0
votes2
answers76
viewsQ: Detect outliers in grouped data
I am working with dashboard data and needed to identify potential outliers in each group, example: df <- data.frame( ID_group = c("1","1","2","1","3","2","2","3"), Case =…
rasked user250908 77 -
0
votes1
answer34
viewsQ: Group vertices as a function of Weights
Based on a link df I want to select all possible paths consisting only of vertices whose links check a certain condition in this case value >=3 library(igraph) library(dplyr) df <- data.frame(…
-
-1
votes2
answers31
viewsQ: Edges with incorrect values
When running the code below, I do not get the expected graphic representation. Although A is connected to C with a value of 90.16 on Plot the link A - C is 80. Someone can help? library(igraph) df1…
-
-1
votes1
answer80
viewsQ: Combination of different values
Considering a dataframe with 2 columns is intended, for each distinct value of the source column: select the corresponding values present in the destination column form combinations 2 to 2 of…
-
5
votes3
answers64
viewsQ: Obtaining single records based on two columns
Considering the dataframe df1 intended to obtain a dataframe with unique records (origin, destination) counting the number of unique pairs (origin, destination) and summing the value per unique…
rasked user250908 77 -
1
votes0
answers45
viewsQ: Cross two dataframes
Considering 2 dataframes of different sizes: df1 consisting of 2 sets of data pairs (origin, destination) with the same origin (one set aggregates vertices originating in A and another aggregates…
rasked user250908 77 -
0
votes1
answer90
viewsQ: Turn igraph.vs into dataframe
After obtaining the list of paths originating from a given vertex (e.g. A) through all_simple_paths: library(igraph) ligacoes <- data.frame(origem = c("A","A", "B", "B", "D"),…
rasked user250908 77 -
-1
votes1
answer46
viewsQ: Iterative link of tables in R
I am studying a topic of networks and need to represent all the connections between a Vertice and those connected to it, directly and indirectly, so I thought to make an iterative link between…