Plotting Multiple Lines in GGplot with Different lines corresponding to a different year












0















I am trying to use ggplot to plot multiple lines (categorized by years) for means for a categorical variable. I am stumped and have tried a variety of things but can't get exactly what I want. I have raw observations that have a year flag on each observation and a Loss value attached to them but here is a snapshot of me trying to group the mean losses by year/judicial orientation.



I want to aggregate all the Loss values by categorical variable level and then aggregate those further by the Year



My goal is this:



I want one graph that has a variable number of levels depending on variable (for JudicialOrientation I have 3 levels: Defense, Neutral, Plaintiff) so those would be the x values, I then want to have a line graph connecting the means between each 3 levels but I want multiple lines that represent 2006, 2007, 2008 etc.



So I would have different colored lines that correspond to a different year's MeanLoss value for that particular level. I hope this makes sense.



I am new to ggplot and I see some people use one line and others use multiple lines. I am ok with either approach.



An attempt so far:



ggplot() +geom_line(data=df1, aes(x=JudicialOrientation, y = MeanLoss, color=Year))


An example data frame with some dplyr code to obtain aggregate means:



df <-data.frame(Year=c("2006","2006","2006","2007","2007","2007","2008","2009","2010","2010","2009","2009"), 
JudicialOrientation=c("Defense","Plaintiff","Plaintiff","Neutral","Defense","Plaintiff","Defense","Plaintiff","Neutral","Neutral","Plaintiff","Defense"),
Loss = c(100000,100,2500,100000,25000,0,7500,5200, 900,100,0,50)
)


df1 <- df%>% group_by(Year,JudicialOrientation) %>% summarise(MeanLoss =mean(Loss))


Let me know any tips you may have. Thanks!










share|improve this question

























  • Please post the code you have tried so far?

    – TeeKea
    Nov 20 '18 at 20:54











  • I edited my post.This should give you a sample data frame you can work with. I want to aggregate the Loss column by JudicialOrientation and then plot a different line for each year in the data set to give aggregate meanLoss for each JudicialOrientation (on the x-axis preferably).

    – Coldchain9
    Nov 20 '18 at 21:01


















0















I am trying to use ggplot to plot multiple lines (categorized by years) for means for a categorical variable. I am stumped and have tried a variety of things but can't get exactly what I want. I have raw observations that have a year flag on each observation and a Loss value attached to them but here is a snapshot of me trying to group the mean losses by year/judicial orientation.



I want to aggregate all the Loss values by categorical variable level and then aggregate those further by the Year



My goal is this:



I want one graph that has a variable number of levels depending on variable (for JudicialOrientation I have 3 levels: Defense, Neutral, Plaintiff) so those would be the x values, I then want to have a line graph connecting the means between each 3 levels but I want multiple lines that represent 2006, 2007, 2008 etc.



So I would have different colored lines that correspond to a different year's MeanLoss value for that particular level. I hope this makes sense.



I am new to ggplot and I see some people use one line and others use multiple lines. I am ok with either approach.



An attempt so far:



ggplot() +geom_line(data=df1, aes(x=JudicialOrientation, y = MeanLoss, color=Year))


An example data frame with some dplyr code to obtain aggregate means:



df <-data.frame(Year=c("2006","2006","2006","2007","2007","2007","2008","2009","2010","2010","2009","2009"), 
JudicialOrientation=c("Defense","Plaintiff","Plaintiff","Neutral","Defense","Plaintiff","Defense","Plaintiff","Neutral","Neutral","Plaintiff","Defense"),
Loss = c(100000,100,2500,100000,25000,0,7500,5200, 900,100,0,50)
)


df1 <- df%>% group_by(Year,JudicialOrientation) %>% summarise(MeanLoss =mean(Loss))


Let me know any tips you may have. Thanks!










share|improve this question

























  • Please post the code you have tried so far?

    – TeeKea
    Nov 20 '18 at 20:54











  • I edited my post.This should give you a sample data frame you can work with. I want to aggregate the Loss column by JudicialOrientation and then plot a different line for each year in the data set to give aggregate meanLoss for each JudicialOrientation (on the x-axis preferably).

    – Coldchain9
    Nov 20 '18 at 21:01
















0












0








0








I am trying to use ggplot to plot multiple lines (categorized by years) for means for a categorical variable. I am stumped and have tried a variety of things but can't get exactly what I want. I have raw observations that have a year flag on each observation and a Loss value attached to them but here is a snapshot of me trying to group the mean losses by year/judicial orientation.



I want to aggregate all the Loss values by categorical variable level and then aggregate those further by the Year



My goal is this:



I want one graph that has a variable number of levels depending on variable (for JudicialOrientation I have 3 levels: Defense, Neutral, Plaintiff) so those would be the x values, I then want to have a line graph connecting the means between each 3 levels but I want multiple lines that represent 2006, 2007, 2008 etc.



So I would have different colored lines that correspond to a different year's MeanLoss value for that particular level. I hope this makes sense.



I am new to ggplot and I see some people use one line and others use multiple lines. I am ok with either approach.



An attempt so far:



ggplot() +geom_line(data=df1, aes(x=JudicialOrientation, y = MeanLoss, color=Year))


An example data frame with some dplyr code to obtain aggregate means:



df <-data.frame(Year=c("2006","2006","2006","2007","2007","2007","2008","2009","2010","2010","2009","2009"), 
JudicialOrientation=c("Defense","Plaintiff","Plaintiff","Neutral","Defense","Plaintiff","Defense","Plaintiff","Neutral","Neutral","Plaintiff","Defense"),
Loss = c(100000,100,2500,100000,25000,0,7500,5200, 900,100,0,50)
)


df1 <- df%>% group_by(Year,JudicialOrientation) %>% summarise(MeanLoss =mean(Loss))


Let me know any tips you may have. Thanks!










share|improve this question
















I am trying to use ggplot to plot multiple lines (categorized by years) for means for a categorical variable. I am stumped and have tried a variety of things but can't get exactly what I want. I have raw observations that have a year flag on each observation and a Loss value attached to them but here is a snapshot of me trying to group the mean losses by year/judicial orientation.



I want to aggregate all the Loss values by categorical variable level and then aggregate those further by the Year



My goal is this:



I want one graph that has a variable number of levels depending on variable (for JudicialOrientation I have 3 levels: Defense, Neutral, Plaintiff) so those would be the x values, I then want to have a line graph connecting the means between each 3 levels but I want multiple lines that represent 2006, 2007, 2008 etc.



So I would have different colored lines that correspond to a different year's MeanLoss value for that particular level. I hope this makes sense.



I am new to ggplot and I see some people use one line and others use multiple lines. I am ok with either approach.



An attempt so far:



ggplot() +geom_line(data=df1, aes(x=JudicialOrientation, y = MeanLoss, color=Year))


An example data frame with some dplyr code to obtain aggregate means:



df <-data.frame(Year=c("2006","2006","2006","2007","2007","2007","2008","2009","2010","2010","2009","2009"), 
JudicialOrientation=c("Defense","Plaintiff","Plaintiff","Neutral","Defense","Plaintiff","Defense","Plaintiff","Neutral","Neutral","Plaintiff","Defense"),
Loss = c(100000,100,2500,100000,25000,0,7500,5200, 900,100,0,50)
)


df1 <- df%>% group_by(Year,JudicialOrientation) %>% summarise(MeanLoss =mean(Loss))


Let me know any tips you may have. Thanks!







r ggplot2 aggregate






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share|improve this question













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share|improve this question








edited Nov 20 '18 at 21:05







Coldchain9

















asked Nov 20 '18 at 20:51









Coldchain9Coldchain9

325




325













  • Please post the code you have tried so far?

    – TeeKea
    Nov 20 '18 at 20:54











  • I edited my post.This should give you a sample data frame you can work with. I want to aggregate the Loss column by JudicialOrientation and then plot a different line for each year in the data set to give aggregate meanLoss for each JudicialOrientation (on the x-axis preferably).

    – Coldchain9
    Nov 20 '18 at 21:01





















  • Please post the code you have tried so far?

    – TeeKea
    Nov 20 '18 at 20:54











  • I edited my post.This should give you a sample data frame you can work with. I want to aggregate the Loss column by JudicialOrientation and then plot a different line for each year in the data set to give aggregate meanLoss for each JudicialOrientation (on the x-axis preferably).

    – Coldchain9
    Nov 20 '18 at 21:01



















Please post the code you have tried so far?

– TeeKea
Nov 20 '18 at 20:54





Please post the code you have tried so far?

– TeeKea
Nov 20 '18 at 20:54













I edited my post.This should give you a sample data frame you can work with. I want to aggregate the Loss column by JudicialOrientation and then plot a different line for each year in the data set to give aggregate meanLoss for each JudicialOrientation (on the x-axis preferably).

– Coldchain9
Nov 20 '18 at 21:01







I edited my post.This should give you a sample data frame you can work with. I want to aggregate the Loss column by JudicialOrientation and then plot a different line for each year in the data set to give aggregate meanLoss for each JudicialOrientation (on the x-axis preferably).

– Coldchain9
Nov 20 '18 at 21:01














1 Answer
1






active

oldest

votes


















1














I suppose your saw the message after you run your code.




geom_path: Each group consists of only one observation. Do you need to adjust the group aesthetic?




So adjusting the group aesthetic would give you this



ggplot(data = df1, aes(x = JudicialOrientation, y = MeanLoss, color=Year, group = Year)) +
geom_line() +
geom_point()


enter image description here



I added geom_point so you see that the values for e.g. 2008 are actually there. You wouldn't see them with only geom_line. Hope this helps.





You could even let stat_summary do the aggregation for you and use df directly.



Here is how



ggplot(df, aes(x = JudicialOrientation, y = Loss, color = Year, group = Year)) +
stat_summary(geom = "line", fun.y = mean) +
stat_summary(geom = "point", fun.y = mean)





share|improve this answer





















  • 1





    This is very useful thanks. I did not know I needed a point when using categorical data to make it work properly.

    – Coldchain9
    Nov 20 '18 at 21:17











  • @Coldchain9 You don't need the points actually - you simply cannot draw a line for just one observation (that's what you brought you here, I guess).

    – markus
    Nov 20 '18 at 21:24













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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









1














I suppose your saw the message after you run your code.




geom_path: Each group consists of only one observation. Do you need to adjust the group aesthetic?




So adjusting the group aesthetic would give you this



ggplot(data = df1, aes(x = JudicialOrientation, y = MeanLoss, color=Year, group = Year)) +
geom_line() +
geom_point()


enter image description here



I added geom_point so you see that the values for e.g. 2008 are actually there. You wouldn't see them with only geom_line. Hope this helps.





You could even let stat_summary do the aggregation for you and use df directly.



Here is how



ggplot(df, aes(x = JudicialOrientation, y = Loss, color = Year, group = Year)) +
stat_summary(geom = "line", fun.y = mean) +
stat_summary(geom = "point", fun.y = mean)





share|improve this answer





















  • 1





    This is very useful thanks. I did not know I needed a point when using categorical data to make it work properly.

    – Coldchain9
    Nov 20 '18 at 21:17











  • @Coldchain9 You don't need the points actually - you simply cannot draw a line for just one observation (that's what you brought you here, I guess).

    – markus
    Nov 20 '18 at 21:24


















1














I suppose your saw the message after you run your code.




geom_path: Each group consists of only one observation. Do you need to adjust the group aesthetic?




So adjusting the group aesthetic would give you this



ggplot(data = df1, aes(x = JudicialOrientation, y = MeanLoss, color=Year, group = Year)) +
geom_line() +
geom_point()


enter image description here



I added geom_point so you see that the values for e.g. 2008 are actually there. You wouldn't see them with only geom_line. Hope this helps.





You could even let stat_summary do the aggregation for you and use df directly.



Here is how



ggplot(df, aes(x = JudicialOrientation, y = Loss, color = Year, group = Year)) +
stat_summary(geom = "line", fun.y = mean) +
stat_summary(geom = "point", fun.y = mean)





share|improve this answer





















  • 1





    This is very useful thanks. I did not know I needed a point when using categorical data to make it work properly.

    – Coldchain9
    Nov 20 '18 at 21:17











  • @Coldchain9 You don't need the points actually - you simply cannot draw a line for just one observation (that's what you brought you here, I guess).

    – markus
    Nov 20 '18 at 21:24
















1












1








1







I suppose your saw the message after you run your code.




geom_path: Each group consists of only one observation. Do you need to adjust the group aesthetic?




So adjusting the group aesthetic would give you this



ggplot(data = df1, aes(x = JudicialOrientation, y = MeanLoss, color=Year, group = Year)) +
geom_line() +
geom_point()


enter image description here



I added geom_point so you see that the values for e.g. 2008 are actually there. You wouldn't see them with only geom_line. Hope this helps.





You could even let stat_summary do the aggregation for you and use df directly.



Here is how



ggplot(df, aes(x = JudicialOrientation, y = Loss, color = Year, group = Year)) +
stat_summary(geom = "line", fun.y = mean) +
stat_summary(geom = "point", fun.y = mean)





share|improve this answer















I suppose your saw the message after you run your code.




geom_path: Each group consists of only one observation. Do you need to adjust the group aesthetic?




So adjusting the group aesthetic would give you this



ggplot(data = df1, aes(x = JudicialOrientation, y = MeanLoss, color=Year, group = Year)) +
geom_line() +
geom_point()


enter image description here



I added geom_point so you see that the values for e.g. 2008 are actually there. You wouldn't see them with only geom_line. Hope this helps.





You could even let stat_summary do the aggregation for you and use df directly.



Here is how



ggplot(df, aes(x = JudicialOrientation, y = Loss, color = Year, group = Year)) +
stat_summary(geom = "line", fun.y = mean) +
stat_summary(geom = "point", fun.y = mean)






share|improve this answer














share|improve this answer



share|improve this answer








edited Nov 20 '18 at 21:20

























answered Nov 20 '18 at 21:14









markusmarkus

11.7k1233




11.7k1233








  • 1





    This is very useful thanks. I did not know I needed a point when using categorical data to make it work properly.

    – Coldchain9
    Nov 20 '18 at 21:17











  • @Coldchain9 You don't need the points actually - you simply cannot draw a line for just one observation (that's what you brought you here, I guess).

    – markus
    Nov 20 '18 at 21:24
















  • 1





    This is very useful thanks. I did not know I needed a point when using categorical data to make it work properly.

    – Coldchain9
    Nov 20 '18 at 21:17











  • @Coldchain9 You don't need the points actually - you simply cannot draw a line for just one observation (that's what you brought you here, I guess).

    – markus
    Nov 20 '18 at 21:24










1




1





This is very useful thanks. I did not know I needed a point when using categorical data to make it work properly.

– Coldchain9
Nov 20 '18 at 21:17





This is very useful thanks. I did not know I needed a point when using categorical data to make it work properly.

– Coldchain9
Nov 20 '18 at 21:17













@Coldchain9 You don't need the points actually - you simply cannot draw a line for just one observation (that's what you brought you here, I guess).

– markus
Nov 20 '18 at 21:24







@Coldchain9 You don't need the points actually - you simply cannot draw a line for just one observation (that's what you brought you here, I guess).

– markus
Nov 20 '18 at 21:24




















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