Posts by Marco Machado • 195 points
7 posts
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answer187
viewsQ: Simulation of Monte Carlo
Good morning, I came across the following terms: Simulation of Monte Carlo first order and second order. I’ve been working with MMC for a while but I’m not familiar with these terms and I couldn’t…
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viewsQ: Use of Ks.test for Poisson distribution
Good night, you guys. I have a question about using the Ks.test function. It is giving completely different results when using Ks.test specifying the probability distribution: ks.test…
rasked Marco Machado 195 -
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answers40
viewsQ: How to change the value of fields in a column?
I am with a simple doubt but I could not find a solution. The same way I can when I use select bring an empty column using select a.x,NULL as y,a.z from DADOS a, how can I make a column instead of…
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answer346
viewsQ: Number of lines increases after use of JOIN
Hello, I’m new to SQL and I’m having a doubt. As in the example below, I wanted to take from a table 'b' the description of the code present in table 'a'. But the number of rows in table 'a' when I…
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answer78
viewsQ: What is the alpha argument of the ltsReg function of the robustbase package?
I have a question about the use of the argument alpha of function ltsReg package robustbase. As I understand it, it is responsible for determining the size of the subsets that will be used to adjust…
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answers13721
viewsQ: Change the X-axis scale
Hello, I’m trying to make a chart of thinning the trunk of a tree, where the y axis is the height (meters) and the x axis is the diameter (cm). So far no problem, but I would like to change the…
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answer864
viewsQ: Import Latex to R Markdown
Hello! Probably this question has already been addressed here but I did not find... I use R Markdonw to generate manuals on certain R commands, but I made a diagram in Latex and wanted to know if…