Sorting stacked columns using values from another column

General
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1

Hi, I can use ggplot to get the stacked columns, but only sorted alphabetically vertically. I have seen several examples of ordering manually but I have too many points to order them manually.

I need each column of the plot to stack in ascending order, using the $_CLEARED column.

Any help appreciated!

Stacked column:
ggplot(data, aes(fill=DUID, y=MW_CLEARED, x=INTERVAL_DATETIME)) +
geom_bar(position="stack", stat="identity")

DUID STATE INTERVAL_DATETIME MW_CLEARED $_CLEARED
MEWF1 QLD1 31/01/2022 4:05 2.516 -983.5
BARRON-1 QLD1 31/01/2022 4:05 33 -983.2
BARRON-2 QLD1 31/01/2022 4:05 33 -983.2
TNPS1 QLD1 31/01/2022 4:05 360 -972.3
COOPGWF1 QLD1 31/01/2022 4:05 178.139 -968.3
DDPS1 QLD1 31/01/2022 4:05 255 -962.9
YARWUN_1 QLD1 31/01/2022 4:05 111.93 -922.51
MPP_1 QLD1 31/01/2022 4:05 425 14.48
MPP_2 QLD1 31/01/2022 4:05 434.99689 14.48
GSTONE1 QLD1 31/01/2022 4:05 120 64.47
CALL_B_1 QLD1 31/01/2022 4:05 350 83.82
STAN-2 QLD1 31/01/2022 4:05 215 86.98
STAN-1 QLD1 31/01/2022 4:05 250 86.98
STAN-3 QLD1 31/01/2022 4:05 250 86.98
TARONG#1 QLD1 31/01/2022 4:05 190 90.58
TARONG#2 QLD1 31/01/2022 4:05 190 90.58
TARONG#3 QLD1 31/01/2022 4:05 190 90.58
TARONG#4 QLD1 31/01/2022 4:05 190 90.58
CPP_3 QLD1 31/01/2022 4:05 360 93.56
BRAEMAR5 QLD1 31/01/2022 4:05 100 95.52
KAREEYA1 QLD1 31/01/2022 4:05 22 97.53
2

Hi @BennyBeatts , remember put a reproducible example for better help you all the community.

If I understand well, you need make before an order of this column and next make the plot.
First, check the correct name of $_CLEARED

attach(data)

data2 <- data[order($_CLEARED),]

# Next make the plot.
3

Ok thanks. I have created a simplified set here.

df <- data.frame(DUID=c('MEWF1', 'BARRON-1', 'BARRON-2', 'TNSPS1', 'COOPGWF1', 'MEWF1', 'BARRON-1', 'BARRON-2', 'TNSPS1', 'COOPGWF1', 'MEWF1', 'BARRON-1', 'BARRON-2', 'TNSPS1', 'COOPGWF1'),
MW=c(2.516, 33, 33, 360, 178, 2.9, 33, 33, 360, 169, 2.9, 33, 33, 360, 171),
PERIOD=c(1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3),
PRICE=c(-983.5, -983.2, -983.2, -972.3, -968.3, -983.5, -983.2, -983.2, -972.3, -968.3, -983.5, -983.2, -983.2, -972.3, -968.3))

ggplot(df, aes(fill=DUID, y=MW, x=PERIOD)) +
geom_bar(position="stack", stat="identity")

I am attempting to sort each column using the PRICE column in ascending order.

4

:thinking: :thinking: but in the plot you dont use the Price column.

Make the order in this column not affect the plot.

## Using PRICE in y axis:
df2 <- df[order(PRICE),]

ggplot(df, aes(fill=DUID, y=PRICE, x=PERIOD)) +
  geom_bar(position="stack", stat="identity")
5

The y-axis needs to be MW, but sorted in ascending order of PRICE.

6

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