Under
the
impact
of
pandemic,
acceptance
toward
online
education
increased.
Therefore,
we
have
witnessed
increasing
requirements
to
help
public
determine
quality
courses.
This
research
is
related
sentiment
analysis
feedback
from
course.
During
process,
utilized
458,280
reviews
Coursera,
across
time
2019
2020.
First,
prepare
for
deep
learning,
were
transformed
by
TF-IDF
feature.
BiLSTM,
Transformer
(BERT-based),
and
LSTM
with
attention
mechanisms
tested
on
dataset.
The
LSTM+attention
model
produced
a
result
precision
95.41%
F1
score
95.48%.
context
course
analysis,
this
study
indicates
effectiveness
attention.
Recently,
an
accurate
prediction
of
stock
market
returns
is
a
very
challenging
task
due
to
volatile
and
non-linear
nature
the
financial
markets.
The
advent
artificial
intelligence
enhanced
processing
power
has
led
realisation
that
preprogrammed
techniques
are
more
effective
at
forecasting
values.
currently
one
most
researched
fastest
developing
subj
ects,
predicting
its
behaviour
crucial.
primary
challenge
in
this
area
research
remains
improving
forecast
precision.
Strong
shareholder
made
possible
by
price
forecasting.
Despite
this,
researchers
use
these
algorithms
predict
continuing
trends
based
on
Stock
Technical
Indicators
(STIs),
recent
advancements
machine
learning
techniques.
This
study
analyses
Yahoo
Finance
data
from
STIs
over
decade
prices
using
Bi-
directional
Recurrent
Neural
Network
(BI-RNN).
Initially,
analysed
were
used
as
input
for
autoencoder
during
dimensionality
reduction
procedure,
which
reduced
correlation
between
STIs.
These
then
provided
BI-RNN.
Next,
order
prices,
BI-RNN's
outcome
attributes
fed
into
soft
max
layer.
From
results,
it
clearly
shows
proposed
Bi-RNN
shown
better
results
terms
minimal
MAPE
value
0.41,
MAE
4.42,
RMSE
0.10,
MSE
212.25
experiments,
strategy
surpassed
traditional
methods.
The
OHLCV
(Open,
High,
Low,
Close,
Volume)
data
used
in
this
study
is
to
forecast
time
series
and
anticipate
stock
price
movement.
We
investigate
a
wide
variety
of
models,
including
traditional
statistical
approaches
cutting-edge
deep
learning
strategies
combined
with
sentiment
analysis,
feature
extraction,
hyperparameter
tweaking.
Instead
focusing
on
absolute
prices,
our
main
goal
predict
swings
as
has
been
shown
produce
more
accurate
outcomes.
start
research
by
obtaining
historical
Amazon
via
the
Yahoo
API,
then
we
go
thorough
analytical
journey.
generate
features
first,
design
test
Fourier
Autoregressive
Integrated
Moving
Average
(ARIMA)
models.
switch
sophisticated
methods,
using
pre-processed
apply
Long
Short-Term
Memory
(LSTM)
Interestingly,
add
analysis
LSTM
study,
which
expands
its
scope
lets
us
consider
market
possible
influencing
factor.
To
guarantee
stability
use
careful
train-test
split
technique
organize
manner.
field
financial
forecasting
trading
methods
will
ultimately
benefit
from
insightful
information
study's
findings
provide
efficacy
different
modeling
techniques
their
capacity
movements.
Under
the
impact
of
pandemic,
acceptance
toward
online
education
increased.
Therefore,
we
have
witnessed
increasing
requirements
to
help
public
determine
quality
courses.
This
research
is
related
sentiment
analysis
feedback
from
course.
During
process,
utilized
458,280
reviews
Coursera,
across
time
2019
2020.
First,
prepare
for
deep
learning,
were
transformed
by
TF-IDF
feature.
BiLSTM,
Transformer
(BERT-based),
and
LSTM
with
attention
mechanisms
tested
on
dataset.
The
LSTM+attention
model
produced
a
result
precision
95.41%
F1
score
95.48%.
context
course
analysis,
this
study
indicates
effectiveness
attention.