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6

I am new to R and working on the below dataset:

I have a file called zippopinc

Repex:

head(zippopinc)

 Year Zip Total_Population Median_Income City State
1 1 2017 ZCTA5 00601 17599 11757 Adjuntas PR
2 2 2017 ZCTA5 00602 39209 16190 Aguada PR
3 3 2017 ZCTA5 00603 50135 16645 Aguadilla PR
4 4 2017 ZCTA5 00606 6304 13387 Maricao PR
5 5 2017 ZCTA5 00610 27590 18741 Anasco PR
6 6 2017 ZCTA5 00612 62566 17744 Arecibo PR
 Poptoincomeratio
 1.4968955
 2.4218036
 3.0120156
 0.4709046
 1.4721733
 3.5260370

poptoincomeratio is basically Total_Population/Median_Income

My objective is to find which zip code has the highest Poptoincomeratio:

My input:

max(sapply(zippopinc$Poptoincomeratio, max))

Output:

4.454182

So I tried,

zippopinc$Zip[demograph_ratio$Poptoincomeratio == 4.454182]

But this gave me:

factor(0)
30956 Levels

I then tried to convert zipopinc as a factor but got the below error:

> as.factor(zippopinc)
Error in sort.list(y) : 'x' must be atomic for 'sort.list'
Have you called 'sort' on a list?

How can I fix this?

r dplyr

share|improve this question

edited Mar 23 at 7:53

Z.Lin

14.6k32345

asked Mar 23 at 2:18

KidCodeKidCode

504

add a comment | 

6

I am new to R and working on the below dataset:

I have a file called zippopinc

Repex:

head(zippopinc)

 Year Zip Total_Population Median_Income City State
1 1 2017 ZCTA5 00601 17599 11757 Adjuntas PR
2 2 2017 ZCTA5 00602 39209 16190 Aguada PR
3 3 2017 ZCTA5 00603 50135 16645 Aguadilla PR
4 4 2017 ZCTA5 00606 6304 13387 Maricao PR
5 5 2017 ZCTA5 00610 27590 18741 Anasco PR
6 6 2017 ZCTA5 00612 62566 17744 Arecibo PR
 Poptoincomeratio
 1.4968955
 2.4218036
 3.0120156
 0.4709046
 1.4721733
 3.5260370

poptoincomeratio is basically Total_Population/Median_Income

My objective is to find which zip code has the highest Poptoincomeratio:

My input:

max(sapply(zippopinc$Poptoincomeratio, max))

Output:

4.454182

So I tried,

zippopinc$Zip[demograph_ratio$Poptoincomeratio == 4.454182]

But this gave me:

factor(0)
30956 Levels

I then tried to convert zipopinc as a factor but got the below error:

> as.factor(zippopinc)
Error in sort.list(y) : 'x' must be atomic for 'sort.list'
Have you called 'sort' on a list?

How can I fix this?

r dplyr

share|improve this question

edited Mar 23 at 7:53

Z.Lin

14.6k32345

asked Mar 23 at 2:18

KidCodeKidCode

504

add a comment | 

I am new to R and working on the below dataset:

I have a file called zippopinc

Repex:

head(zippopinc)

 Year Zip Total_Population Median_Income City State
1 1 2017 ZCTA5 00601 17599 11757 Adjuntas PR
2 2 2017 ZCTA5 00602 39209 16190 Aguada PR
3 3 2017 ZCTA5 00603 50135 16645 Aguadilla PR
4 4 2017 ZCTA5 00606 6304 13387 Maricao PR
5 5 2017 ZCTA5 00610 27590 18741 Anasco PR
6 6 2017 ZCTA5 00612 62566 17744 Arecibo PR
 Poptoincomeratio
 1.4968955
 2.4218036
 3.0120156
 0.4709046
 1.4721733
 3.5260370

poptoincomeratio is basically Total_Population/Median_Income

My objective is to find which zip code has the highest Poptoincomeratio:

My input:

max(sapply(zippopinc$Poptoincomeratio, max))

Output:

4.454182

So I tried,

zippopinc$Zip[demograph_ratio$Poptoincomeratio == 4.454182]

But this gave me:

factor(0)
30956 Levels

I then tried to convert zipopinc as a factor but got the below error:

> as.factor(zippopinc)
Error in sort.list(y) : 'x' must be atomic for 'sort.list'
Have you called 'sort' on a list?

How can I fix this?

r dplyr

share|improve this question

edited Mar 23 at 7:53

Z.Lin

14.6k32345

asked Mar 23 at 2:18

KidCodeKidCode

504

head(zippopinc)

 Year Zip Total_Population Median_Income City State
1 1 2017 ZCTA5 00601 17599 11757 Adjuntas PR
2 2 2017 ZCTA5 00602 39209 16190 Aguada PR
3 3 2017 ZCTA5 00603 50135 16645 Aguadilla PR
4 4 2017 ZCTA5 00606 6304 13387 Maricao PR
5 5 2017 ZCTA5 00610 27590 18741 Anasco PR
6 6 2017 ZCTA5 00612 62566 17744 Arecibo PR
 Poptoincomeratio
 1.4968955
 2.4218036
 3.0120156
 0.4709046
 1.4721733
 3.5260370

max(sapply(zippopinc$Poptoincomeratio, max))

4.454182

zippopinc$Zip[demograph_ratio$Poptoincomeratio == 4.454182]

factor(0)
30956 Levels

> as.factor(zippopinc)
Error in sort.list(y) : 'x' must be atomic for 'sort.list'
Have you called 'sort' on a list?

share|improve this question

edited Mar 23 at 7:53

Z.Lin

14.6k32345

asked Mar 23 at 2:18

KidCodeKidCode

504

share|improve this question

edited Mar 23 at 7:53

Z.Lin

14.6k32345

asked Mar 23 at 2:18

KidCodeKidCode

504

edited Mar 23 at 7:53

Z.Lin

14.6k32345

edited Mar 23 at 7:53

Z.Lin

14.6k32345

asked Mar 23 at 2:18

KidCodeKidCode

504

asked Mar 23 at 2:18

KidCodeKidCode

504

1 Answer
1

active

oldest

votes

0

If you want to find which zip code has the highest Poptoincomeratio do :

zippopinc$Zip[which.max(zippopinc$Poptoincomeratio)]

The reason why it doesn't yield you any output with current approach is because there are some limitations in comparing floating point values. Read more here

• Numeric comparison difficulty in R


• Why are these numbers not equal?

Even for the shared example, we can see that 3.5260370 is the highest value in Poptoincomeratio column but when we compare the values we get

zippopinc$Poptoincomeratio == 3.5260370
#[1] FALSE FALSE FALSE FALSE FALSE FALSE

but if you use which.max it returns the highest Zip value

zippopinc$Zip[which.max(zippopinc$Poptoincomeratio)]
#[1] 612

share|improve this answer

edited Mar 23 at 2:38

answered Mar 23 at 2:31

Ronak ShahRonak Shah

51.9k104371

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks.This is just a reproducible example and not the entire dataset, that is why you dont see 4.454182 @Ronak Shah. I mentioned #Repex.
  
  – KidCode
  Mar 23 at 2:41
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @KidCode I know. Can you run zippopinc$Zip[which.max(zippopinc$Poptoincomeratio)] on your real data and compare the answer?
  
  – Ronak Shah
  Mar 23 at 2:41
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes, I got it and marked your answer correct. :) thanks
  
  – KidCode
  Mar 23 at 2:43
  

  
  
  
  

add a comment | 

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0

If you want to find which zip code has the highest Poptoincomeratio do :

zippopinc$Zip[which.max(zippopinc$Poptoincomeratio)]

The reason why it doesn't yield you any output with current approach is because there are some limitations in comparing floating point values. Read more here

• Numeric comparison difficulty in R


• Why are these numbers not equal?

Even for the shared example, we can see that 3.5260370 is the highest value in Poptoincomeratio column but when we compare the values we get

zippopinc$Poptoincomeratio == 3.5260370
#[1] FALSE FALSE FALSE FALSE FALSE FALSE

but if you use which.max it returns the highest Zip value

zippopinc$Zip[which.max(zippopinc$Poptoincomeratio)]
#[1] 612

share|improve this answer

edited Mar 23 at 2:38

answered Mar 23 at 2:31

Ronak ShahRonak Shah

51.9k104371

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks.This is just a reproducible example and not the entire dataset, that is why you dont see 4.454182 @Ronak Shah. I mentioned #Repex.
  
  – KidCode
  Mar 23 at 2:41
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @KidCode I know. Can you run zippopinc$Zip[which.max(zippopinc$Poptoincomeratio)] on your real data and compare the answer?
  
  – Ronak Shah
  Mar 23 at 2:41
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes, I got it and marked your answer correct. :) thanks
  
  – KidCode
  Mar 23 at 2:43
  

  
  
  
  

add a comment | 

0

If you want to find which zip code has the highest Poptoincomeratio do :

zippopinc$Zip[which.max(zippopinc$Poptoincomeratio)]

The reason why it doesn't yield you any output with current approach is because there are some limitations in comparing floating point values. Read more here

• Numeric comparison difficulty in R


• Why are these numbers not equal?

Even for the shared example, we can see that 3.5260370 is the highest value in Poptoincomeratio column but when we compare the values we get

zippopinc$Poptoincomeratio == 3.5260370
#[1] FALSE FALSE FALSE FALSE FALSE FALSE

but if you use which.max it returns the highest Zip value

zippopinc$Zip[which.max(zippopinc$Poptoincomeratio)]
#[1] 612

share|improve this answer

edited Mar 23 at 2:38

answered Mar 23 at 2:31

Ronak ShahRonak Shah

51.9k104371

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks.This is just a reproducible example and not the entire dataset, that is why you dont see 4.454182 @Ronak Shah. I mentioned #Repex.
  
  – KidCode
  Mar 23 at 2:41
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @KidCode I know. Can you run zippopinc$Zip[which.max(zippopinc$Poptoincomeratio)] on your real data and compare the answer?
  
  – Ronak Shah
  Mar 23 at 2:41
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes, I got it and marked your answer correct. :) thanks
  
  – KidCode
  Mar 23 at 2:43
  

  
  
  
  

add a comment | 

If you want to find which zip code has the highest Poptoincomeratio do :

zippopinc$Zip[which.max(zippopinc$Poptoincomeratio)]

The reason why it doesn't yield you any output with current approach is because there are some limitations in comparing floating point values. Read more here

• Numeric comparison difficulty in R


• Why are these numbers not equal?

Even for the shared example, we can see that 3.5260370 is the highest value in Poptoincomeratio column but when we compare the values we get

zippopinc$Poptoincomeratio == 3.5260370
#[1] FALSE FALSE FALSE FALSE FALSE FALSE

but if you use which.max it returns the highest Zip value

zippopinc$Zip[which.max(zippopinc$Poptoincomeratio)]
#[1] 612

share|improve this answer

edited Mar 23 at 2:38

answered Mar 23 at 2:31

Ronak ShahRonak Shah

51.9k104371

zippopinc$Zip[which.max(zippopinc$Poptoincomeratio)]

zippopinc$Poptoincomeratio == 3.5260370
#[1] FALSE FALSE FALSE FALSE FALSE FALSE

zippopinc$Zip[which.max(zippopinc$Poptoincomeratio)]
#[1] 612

share|improve this answer

edited Mar 23 at 2:38

answered Mar 23 at 2:31

Ronak ShahRonak Shah

51.9k104371

answered Mar 23 at 2:31

Ronak ShahRonak Shah

51.9k104371

answered Mar 23 at 2:31

Ronak ShahRonak Shah

51.9k104371