Nothing
library(data.table)
library(irg)
ndvi <- fread(system.file("extdata", "sampled-ndvi-MODIS-MOD13Q1.csv", package = "irg"))
filter_ndvi(ndvi)
scale_doy(ndvi)
scale_ndvi(ndvi)
# model_start -------------------------------------------------------------
## column checks
copyNDVI <- copy(ndvi)[, scaled := NULL]
expect_error(model_start(copyNDVI),
'must include', fixed = FALSE)
copyNDVI <- copy(ndvi)[, t := NULL]
expect_error(model_start(copyNDVI),
'must include', fixed = FALSE)
copyNDVI <- copy(ndvi)[, id := NULL]
expect_error(model_start(copyNDVI),
'must include', fixed = FALSE)
copyNDVI <- copy(ndvi)[, yr := NULL]
expect_error(model_start(copyNDVI),
'must include', fixed = FALSE)
expect_true(all(c('id', 'yr', 'xmidS_start', 'xmidA_start') %in%
colnames(model_start(ndvi))))
# model_params ------------------------------------------------------------
expect_error(
model_params(ndvi, returns = 'columns'),
'starting parameters must be provided',
fixed = FALSE
)
expect_error(model_params(ndvi, xmidS = 'potato'),
'must include', fixed = FALSE)
expect_error(model_params(ndvi, xmidS = 'xmidS_start', xmidA = 'potato'),
'must include', fixed = FALSE)
expect_error(model_params(ndvi, xmidS = 'xmidS_start', xmidA = 'xmidA_start',
scalS = 'potato'),
'must include', fixed = FALSE)
expect_error(
model_params(ndvi, xmidS = 'xmidS_start', xmidA = 'xmidA_start',
scalS = 'id', #just to skip to scalA
scalA = 'potato'),
'must include', fixed = FALSE
)
expect_error(
model_params(ndvi, xmidS = 'xmidS_start', xmidA = 'xmidA_start',
scalS = 'id', #just to skip to returns
scalA = 'id'), #just to skip to returns
'must not be NULL', fixed = FALSE
)
mods <- model_params(
ndvi,
returns = 'models',
xmidS = 0.44,
xmidA = 0.80,
scalS = 0.05,
scalA = 0.01
)
expect_true(all(c('id', 'yr', 'xmidS', 'xmidA', 'scalS', 'scalA')
%in%
colnames(mods)))
expect_true(nrow(mods) < nrow(ndvi))
model_params(
ndvi,
returns = 'columns',
xmidS = 'xmidS_start',
xmidA = 'xmidA_start',
scalS = 0.05,
scalA = 0.01
)
expect_true(all(c('id', 'yr', 'xmidS', 'xmidA', 'scalS', 'scalA')
%in%
colnames(ndvi)))
model_params(
ndvi,
returns = 'columns',
xmidS = 'xmidS_start',
xmidA = 'xmidA_start',
scalS = 0.05,
scalA = 0.01
)
# model_ndvi --------------------------------------------------------------
copyNDVI <- copy(ndvi)[, xmidS := NULL]
expect_error(
model_ndvi(copyNDVI),
'must include', fixed = FALSE
)
copyNDVI <- copy(ndvi)[, xmidA := NULL]
expect_error(
model_ndvi(copyNDVI),
'must include', fixed = FALSE
)
copyNDVI <- copy(ndvi)[, scalS := NULL]
expect_error(
model_ndvi(copyNDVI),
'must include', fixed = FALSE
)
copyNDVI <- copy(ndvi)[, scalA := NULL]
expect_error(
model_ndvi(copyNDVI),
'must include', fixed = FALSE
)
modNDVI <- model_ndvi(ndvi, observed = FALSE)
expect_true(all(c('id', 'yr',
'xmidS', 'xmidA', 'scalS', 'scalA', 'fitted')
%in%
colnames(modNDVI)))
expect_true(nrow(ndvi) < nrow(modNDVI))
expect_true(nrow(ndvi) == nrow(model_ndvi(ndvi, observed = TRUE)))
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