This
paper
investigates
the
potential
of
using
a
gated
recurrent
unit
(GRU)
neural
network
(NN)
for
forecasting
prices
three
popular
cryptocurrencies:
Bitcoin
(BTC),
Ethereum
(ETH),
and
Litecoin
(LTC).
A
dataset
spanning
from
October
2021
to
2022
was
collected
used
train
evaluate
performance
proposed
model.
The
GRU
model
evaluated
root
mean
squared
error
(RMSE)
absolute
percentage
(MAPE)
as
evaluation
metrics.
results
study
show
that
achieved
an
RMSE
366.0601
MAPE
1.7268%
BTC,
37.6678
2.3342%
ETH,
1.0902
1.7278%
LTC.
indicate
performed
well
in
cryptocurrency
holds
promise
approach
further
research
this
field.
International Journal of Environmental Research and Public Health,
Journal Year:
2023,
Volume and Issue:
20(4), P. 2916 - 2916
Published: Feb. 7, 2023
(1)
Background:
This
study
aimed
to
quantify
the
health
and
economic
impacts
of
air
pollution
in
Jakarta
Province,
capital
Indonesia.
(2)
Methods:
We
quantified
burden
fine
particulate
matter
(PM2.5)
ground-level
Ozone
(O3),
which
exceeds
local
global
ambient
quality
standards.
selected
outcomes
include
adverse
children,
all-cause
mortality,
daily
hospitalizations.
used
comparative
risk
assessment
methods
estimate
burdens
attributable
PM2.5
O3,
linking
population
data
with
relative
risks
from
literature.
The
were
calculated
using
cost-of-illness
value
statistical
life-year
approach.
(3)
Results:
Our
results
suggest
over
7000
10,000
deaths,
5000
hospitalizations
that
can
be
attributed
each
year
Jakarta.
annual
total
cost
impact
reached
approximately
USD
2943.42
million.
(4)
Conclusions:
By
assess
Jakarta,
our
provides
timely
evidence
needed
prioritize
clean
actions
taken
promote
public’s
health.
Atmosphere,
Journal Year:
2025,
Volume and Issue:
16(3), P. 320 - 320
Published: March 11, 2025
Various
machine
learning
algorithms
exist
to
predict
air
quality,
but
they
can
only
analyse
structured
data
gathered
from
monitoring
stations.
However,
the
concentration
of
certain
pollutants,
such
as
PM2.5
and
PM10,
be
visually
significant
when
there
is
a
marked
difference
in
their
levels.
Consequently,
quality
meteorological
cameras
estimated
integrated
with
stations
generate
an
forecast.
This
research
delves
into
prospect
creating
methodology
capable
rapidly
processing
this
information
producing
precise
predictions
using
time
series
analytics.
paper
presents
study
developing
new
model,
“Convolutional
Neural
Network,
Recurrent
Network
Dual
Input
Model”
(CORD).
model
combines
convolutional
neural
network
(CNN)
recurrent
(RNN)
models
that
are
applied
prediction
create
pollution-related
forecasting
function
overcome
stations’
physical
limitations.
CORD
allows
for
dual
input
types:
collected
images
(unstructured
data)
prototype
could
all
indices
worldwide,
tested
based
on
Air
Quality
Health
Index
provided
by
Hong
Kong
Observatory,
unique
data-analytic
framework
measurement.
has
similar
result
GRU
slightly
smaller
mean
absolute
root
square
errors
than
LSTM.
Compared
ANN
algorithm,
better
accuracy.
Atmosphere,
Journal Year:
2022,
Volume and Issue:
13(12), P. 2011 - 2011
Published: Nov. 30, 2022
China’s
economy
has
made
significant
strides
in
the
past
three
decades.
As
a
direct
result
of
“one
belt,
one
road”
(OBOR)
initiative,
country’s
rate
industrialization
and
urbanization
is
currently
fastest
entire
world.
This
rapid
development
largely
dependent
on
enormous
amounts
energy
being
consumed
forms
foundation
world’s
high
levels
carbon
emissions.
It
generally
agreed
that
production
greenhouse
gases,
particularly
dioxide,
primary
contributor
to
current
state
climate
change.
In
this
paper,
CO2
emission
prediction
model
based
Bi-LSTM
constructed.
order
conduct
empirical
tests
model,
study
uses
data
from
South
Asian
countries
China
2001
2020.
emissions
2022
2030
were
predicted
along
with
those
other
combined
effects
scientific
technological
progress,
industrial
structures,
structure
factors
affecting
When
compared
LSTM
GRU
methods,
model’s
results
produced
lower
MAE,
MSE,
MAPE
values,
indicating
it
performs
better.
According
findings,
represent
problem
will
become
much
worse
future
due
India’s
emissions,
next
10
years,
if
government
does
not
implement
policies
help
reduce
Algorithms,
Journal Year:
2023,
Volume and Issue:
16(5), P. 248 - 248
Published: May 10, 2023
The
models
for
forecasting
time
series
with
seasonal
variability
can
be
used
to
build
automatic
real-time
control
systems.
For
example,
predicting
the
water
flowing
in
a
wastewater
treatment
plant
calculate
optimal
electricity
consumption.
article
describes
performance
analysis
of
various
machine
learning
methods
(SARIMA,
Holt-Winters
Exponential
Smoothing,
ETS,
Facebook
Prophet,
XGBoost,
and
Long
Short-Term
Memory)
data-preprocessing
algorithms
implemented
Python.
general
methodology
model
building
requirements
input
data
sets
are
described.
All
use
actual
from
sensors
monitoring
system.
novelty
this
work
is
an
approach
that
allows
using
limited
history
obtain
predictions
reasonable
accuracy.
made
it
possible
achieve
R-Squared
accuracy
more
than
0.95.
calculation
minimized,
which
run
algorithm
embedded
International Journal of Intelligent Systems,
Journal Year:
2023,
Volume and Issue:
2023, P. 1 - 15
Published: June 22, 2023
In
recent
years,
ozone
(O3)
has
gradually
become
the
primary
pollutant
plaguing
urban
air
quality.
Accurate
and
efficient
prediction
is
of
great
significance
to
prevention
control
pollution.
The
quality
monitoring
network
provides
multisource
concentration
data
for
prediction,
but
based
on
still
faces
challenges
each
station’s
series
data.
Aiming
at
problems
low
accuracy
computational
efficiency
in
traditional
atmospheric
using
dual
decomposition
was
proposed
by
variational
mode
(VMD),
ensemble
empirical
(EEMD),
long
short-term
memory
(LSTM).
First,
historical
Nanjing
stations
decomposed
VMD,
then
EEMD
algorithm
applied
residual
VMD
obtain
several
characteristic
intrinsic
function
(IMF)
components;
IMF
component
trained
LSTM
result
component,
final
can
be
obtained
linear
superposition.
method
achieved
best
results
with
R2
=
99%,
MSE
5.38,
MAE
4.54,
MAPE
3.12.
Because
strong
adaptive
learning
ability
good
function,
it
advantage
long-term
data,
are
more
accurate.
According
superior
baseline
models
terms
statistical
metrics.
As
a
result,
hybrid
serve
as
reliable
model
forecasting.
Frontiers in Environmental Science,
Journal Year:
2024,
Volume and Issue:
12
Published: May 15, 2024
This
research
enhances
air
quality
predictions
in
Abu
Dhabi
by
employing
Autoregressive
Integrated
Moving
Average
(ARIMA)
models
on
comprehensive
data
collected
from
2015
to
2023.
We
hourly
nitrogen
dioxide
(NO2),
particulate
matter
(PM10),
and
fine
(PM2.5)
19
well-placed
ground
monitoring
stations.
Our
approach
utilized
ARIMA
forecast
future
pollutant
levels,
with
extensive
preparation
exploratory
analysis
conducted
R.
results
found
a
significant
drop
NO2
levels
after
2020
the
highest
of
observed
2022.
The
findings
our
confirm
effectiveness
models,
indicated
Mean
Absolute
Percentage
Error
(MAPE)
values
ranging
7.71
8.59.
Additionally,
study
provides
valuable
spatiotemporal
insights
into
pollution
historical
evolution,
identifying
key
times
areas
heightened
pollution,
which
can
help
devising
focused
management
strategies.
demonstrates
potential
precise
forecasting,
aiding
proactive
public
health
initiatives
environmental
policy
development,
consistent
Dhabi’s
Vision
2030.