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Horizontal Waterfall Plot

Source: R/g_waterfall.R
g_waterfall.Rd

[Stable]

Usage 

g_waterfall(
  height,
  id,
  col_var = NULL,
  col = getOption("ggplot2.discrete.colour"),
  xlab = NULL,
  ylab = NULL,
  col_legend_title = NULL,
  title = NULL
)

Arguments

height

(numeric vector)
Contains values to be plotted as the waterfall bars

id

(vector)
Contains of IDs used as the x-axis label for the waterfall bars

col_var

(factor, character or NULL)
Categorical variable for bar coloring. NULL by default.

col

(character)
colors.

xlab

(character value)
x label. Default is ID.

ylab

(character value)
y label. Default is Value.

col_legend_title

(character value)
Text to be displayed as legend title.

title

(character value)
Text to be displayed as plot title.

Value

(ggplot object)

Waterfall plot

Details

This basic waterfall plot visualizes a quantity height ordered by value with some markup.

Author

Yuyao Song (songy) yuyao.song@roche.com

Examples 

library(nestcolor)

g_waterfall(height = c(3, 5, -1), id = letters[1:3])


g_waterfall(
  height = c(3, 5, -1),
  id = letters[1:3],
  col_var = letters[1:3]
)


library(scda)
library(dplyr)

ADSL <- synthetic_cdisc_data("latest")$adsl
ADSL_f <- ADSL %>%
  select(USUBJID, STUDYID, ARM, ARMCD, SEX)

ADRS <- synthetic_cdisc_data("latest")$adrs
ADRS_f <- ADRS %>%
  filter(PARAMCD == "OVRINV") %>%
  mutate(pchg = rnorm(n(), 10, 50))

ADRS_f <- head(ADRS_f, 30)
ADRS_f <- ADRS_f[!duplicated(ADRS_f$USUBJID), ]
head(ADRS_f)
#> # A tibble: 5 × 67
#>   STUDYID USUBJID     SUBJID SITEID   AGE AGEU  SEX   RACE  ETHNIC COUNTRY DTHFL
#>   <chr>   <chr>       <chr>  <chr>  <int> <fct> <fct> <fct> <fct>  <fct>   <fct>
#> 1 AB12345 AB12345-BR… id-105 BRA-1     38 YEARS M     BLAC… "HISP… BRA     N    
#> 2 AB12345 AB12345-BR… id-134 BRA-1     47 YEARS M     WHITE "NOT … BRA     Y    
#> 3 AB12345 AB12345-BR… id-141 BRA-1     35 YEARS F     WHITE "NOT … BRA     N    
#> 4 AB12345 AB12345-BR… id-236 BRA-1     32 YEARS M     BLAC… " NOT… BRA     N    
#> 5 AB12345 AB12345-BR… id-265 BRA-1     25 YEARS M     WHITE "NOT … BRA     Y    
#> # … with 56 more variables: INVID <chr>, INVNAM <chr>, ARM <fct>, ARMCD <fct>,
#> #   ACTARM <fct>, ACTARMCD <fct>, TRT01P <fct>, TRT01A <fct>, TRT02P <fct>,
#> #   TRT02A <fct>, REGION1 <fct>, STRATA1 <fct>, STRATA2 <fct>, BMRKR1 <dbl>,
#> #   BMRKR2 <fct>, ITTFL <fct>, SAFFL <fct>, BMEASIFL <fct>, BEP01FL <fct>,
#> #   AEWITHFL <fct>, RANDDT <date>, TRTSDTM <dttm>, TRTEDTM <dttm>,
#> #   TRT01SDTM <dttm>, TRT01EDTM <dttm>, TRT02SDTM <dttm>, TRT02EDTM <dttm>,
#> #   AP01SDTM <dttm>, AP01EDTM <dttm>, AP02SDTM <dttm>, AP02EDTM <dttm>, …

g_waterfall(
  height = ADRS_f$pchg,
  id = ADRS_f$USUBJID,
  col_var = ADRS_f$AVALC
)


g_waterfall(
  height = ADRS_f$pchg,
  id = paste("asdfdsfdsfsd", ADRS_f$USUBJID),
  col_var = ADRS_f$SEX
)


g_waterfall(
  height = ADRS_f$pchg,
  id = paste("asdfdsfdsfsd", ADRS_f$USUBJID),
  xlab = "ID",
  ylab = "Percentage Change",
  title = "Waterfall plot"
)