ek
> Sent: Sunday, June 25, 2017 5:26 PM
> To: Boris Steipe
> Cc: r-help@r-project.org
> Subject: Re: [R] Fill in empty cell in data.frame from previous value
>
> Excellent Boris, thx – this helps
>
> From: Boris Steipe
> Sent: June 25, 2017 11:23 AM
> To: Christophe Elek
&
t;
> Cheers
>
>
>
> *From: *Jim Lemon
> *Sent: *June 25, 2017 3:11 AM
> *To: *Christophe Elek
> *Cc: *r-help@r-project.org
> *Subject: *Re: [R] Fill in empty cell in data.frame from previous value
>
>
>
> Hi Chris,
>
> You may know about the *apply family of funct
Excellent Boris, thx – this helps
From: Boris Steipe
Sent: June 25, 2017 11:23 AM
To: Christophe Elek
Cc: r-help@r-project.org
Subject: Re: [R] Fill in empty cell in data.frame from previous value
Run it through a loop. I assume the cell contents is NA (Not Available). Test
for it with is.na
Perfect Jim, that Is exactly what I needed – let me check that ...
Cheers
From: Jim Lemon
Sent: June 25, 2017 3:11 AM
To: Christophe Elek
Cc: r-help@r-project.org
Subject: Re: [R] Fill in empty cell in data.frame from previous value
Hi Chris,
You may know about the *apply family of functions
> library(tidyr)
> ?fill
Göran
On 2017-06-24 19:49, Christophe Elek wrote:
Hello Total newbie here... I hope I read the guide properly
I have the following data.frame (I read it from a CSV file I cannot change)
names val
1 Mandy 1
2 2
3 John2
4 2
I want to read the r
Run it through a loop. I assume the cell contents is NA (Not Available). Test
for it with is.na(). Whenever that returns TRUE, replace the NA value with the
value from the previous row.
Cheers,
B.
> On Jun 24, 2017, at 1:49 PM, Christophe Elek
> wrote:
>
> Hello Total newbie here... I hope
You need to go through some tutorials, not expect us to tutor you
here. That is not the purpose of this list (although we do some of
this indirectly of course). There are many good online tutorials --
search or see here: https://www.rstudio.com/online-learning/#R . Or
start by going through the I
Hi Chris,
You may know about the *apply family of functions. These slice various
data structures and "apply" a specified function to each slice,
usually returning a list of return values. As far as I am aware, you
can't access adjacent rows unless you reformat the data structure.
There is a way to
Hello Total newbie here... I hope I read the guide properly
I have the following data.frame (I read it from a CSV file I cannot change)
names val
1 Mandy 1
2 2
3 John2
4 2
I want to read the row number 2, but I want the first column to be “Mandy” and
not null
print (fra
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