Recent questions tagged rprogramming

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I have a huge vector which has a couple of NA values, and I'm trying to find the max value in that vector ( ... I can compute the max? Select the correct answer from above options...

asked Feb 8, 2022 in Education by JackTerrance

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Q: Reasons for using the set.seed function

Many times I have seen the set.seed function in R, before starting the program. I know it's basically used for ... need to set this? Select the correct answer from above options...

asked Feb 8, 2022 in Education by JackTerrance

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Q: Import text file as single character string

How do you import a plain text file as a single character string in R? I think that this will probably ... is probably unstable too. Select the correct answer from above options...

asked Feb 8, 2022 in Education by JackTerrance

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Q: Where does R store packages?

The install.packages() function in R is the automatic unzipping utility that gets and install packages in R. ... accesses packages? Select the correct answer from above options...

asked Feb 8, 2022 in Education by JackTerrance

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Q: Convert a list of data frames into one data frame

I have code that at one place ends up with a list of data frames which I really want to convert ... starting with (this is grossly simplified for illustration): listOfDataFrames...

asked Feb 8, 2022 in Education by JackTerrance

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Q: How to disable scientific notation?

I have a data frame with a column of p-values and I want to make a selection on these p-values. > pvalues_anova ... 7.125751e-01 5.193604e-01 4.835312e-04 Selection way: anovatest...

asked Feb 8, 2022 in Education by JackTerrance

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Q: Plotting two variables as lines using ggplot2 on the same graph

A very newbish question, but say I have data like this: test_data...

asked Feb 8, 2022 in Education by JackTerrance

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Q: Turning off some legends in a ggplot

Suppose I have a ggplot with more than one legend. mov...

asked Feb 8, 2022 in Education by JackTerrance

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Q: Find the day of a week

Let's say that I have a date in R and it's formatted as follows. date 2012-02-01 2012-02-01 2012-02- ... generate the day by the date. Select the correct answer from above options...

asked Feb 8, 2022 in Education by JackTerrance

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Q: Center Plot title in ggplot2

Hi this simple code (and all my scripts from this morning) has started giving me an off-center title in ggplot2 Ubuntu ... the above this morning to try and fix this.... dat...

asked Feb 8, 2022 in Education by JackTerrance