Applied Sciences,
Journal Year:
2021,
Volume and Issue:
11(13), P. 6167 - 6167
Published: July 2, 2021
Supervised
machine
learning
and
its
algorithms
are
a
developing
trend
in
the
prediction
of
rockfill
material
(RFM)
mechanical
properties.
This
study
investigates
supervised
algorithms—support
vector
(SVM),
random
forest
(RF),
AdaBoost,
k-nearest
neighbor
(KNN)
for
RFM
shear
strength.
A
total
165
case
studies
with
13
key
properties
characterization
have
been
applied
to
construct
validate
models.
The
performance
SVM,
RF,
KNN
models
assessed
using
statistical
parameters,
including
coefficient
determination
(R2),
Nash–Sutcliffe
efficiency
(NSE)
coefficient,
root
mean
square
error
(RMSE),
ratio
RMSE
standard
deviation
measured
data
(RSR).
applications
abovementioned
predicting
strength
compared
discussed.
analysis
R2
together
NSE,
RMSE,
RSR
set
demonstrates
that
SVM
achieved
better
(R2
=
0.9655,
NSE
0.9639,
0.1135,
0.1899)
succeeded
by
RF
model
0.9545,
0.9542,
0.1279,
0.2140),
AdaBoost
0.9390,
0.9388,
0.1478,
0.2474),
0.6233,
0.6180,
0.3693,
0.6181).
Furthermore,
sensitivity
result
shows
normal
stress
was
parameter
affecting
RFM.
Sensors,
Journal Year:
2021,
Volume and Issue:
21(11), P. 3758 - 3758
Published: May 28, 2021
The
digital
transformation
of
agriculture
has
evolved
various
aspects
management
into
artificial
intelligent
systems
for
the
sake
making
value
from
ever-increasing
data
originated
numerous
sources.
A
subset
intelligence,
namely
machine
learning,
a
considerable
potential
to
handle
challenges
in
establishment
knowledge-based
farming
systems.
present
study
aims
at
shedding
light
on
learning
by
thoroughly
reviewing
recent
scholarly
literature
based
keywords’
combinations
“machine
learning”
along
with
“crop
management”,
“water
“soil
and
“livestock
accordance
PRISMA
guidelines.
Only
journal
papers
were
considered
eligible
that
published
within
2018–2020.
results
indicated
this
topic
pertains
different
disciplines
favour
convergence
research
international
level.
Furthermore,
crop
was
observed
be
centre
attention.
plethora
algorithms
used,
those
belonging
Artificial
Neural
Networks
being
more
efficient.
In
addition,
maize
wheat
as
well
cattle
sheep
most
investigated
crops
animals,
respectively.
Finally,
variety
sensors,
attached
satellites
unmanned
ground
aerial
vehicles,
have
been
utilized
means
getting
reliable
input
analyses.
It
is
anticipated
will
constitute
beneficial
guide
all
stakeholders
towards
enhancing
awareness
advantages
using
contributing
systematic
topic.
Geocarto International,
Journal Year:
2021,
Volume and Issue:
37(16), P. 4571 - 4593
Published: Feb. 19, 2021
The
research
aims
to
propose
the
new
ensemble
models
by
combining
machine
learning
techniques,
such
as
rotation
forest
(RF),
nearest
shrunken
centroids
(NSC),
k-nearest
neighbour
(KNN),
boosted
regression
tree
(BRT),
and
logitboost
(LB)
with
base
classifier
adabag
(AB)
for
flood
susceptibility
mapping
(FSM).
proposed
were
implemented
in
central
west
coast
of
India,
which
is
vulnerable
events.
For
inventory
mapping,
a
total
210
localities
identified.
Twelve
effective
factors
selected
using
boruta
algorithm
FSM.
area
under
receiver
operating
characteristics
(AUROC)
curve
other
statistical
measures
(sensitivity,
specificity,
accuracy,
kappa,
root
mean
square
error
(RMSE),
absolute
(MAE))
employed
estimate
compare
success
rate
approaches.
validation
results
individual
terms
AUC
value
AB
(92.74%)
>RF
(91.50%)
>BRT
(90.75%)
>LB
(89.07%)
>NSC
(88.97%)
>KNN
(83.88%),
whereas
showed
that
AB-RF
(94%)
was
highest
prediction
efficiency
followed
by,
AB-KNN
(93.33%),
AB-NSC
(93.02%),
AB-LB
(92.83%),
AB-BRT
(92.64%).
outcomes
established
more
appropriate
increase
accuracy
different
single
models.
Therefore,
this
study
can
be
useful
proper
planning
management
hazard
alike
geographic
environment.
Results in Engineering,
Journal Year:
2024,
Volume and Issue:
21, P. 101837 - 101837
Published: Feb. 6, 2024
Contemporary
infrastructure
requires
structural
elements
with
enhanced
mechanical
strength
and
durability.
Integrating
nanomaterials
into
concrete
is
a
promising
solution
to
improve
However,
the
intricacies
of
such
nanoscale
cementitious
composites
are
highly
complex.
Traditional
regression
models
encounter
limitations
in
capturing
these
intricate
compositions
provide
accurate
reliable
estimations.
This
study
focuses
on
developing
robust
prediction
for
compressive
(CS)
graphene
nanoparticle-reinforced
(GrNCC)
through
machine
learning
(ML)
algorithms.
Three
ML
models,
bagging
regressor
(BR),
decision
tree
(DT),
AdaBoost
(AR),
were
employed
predict
CS
based
comprehensive
dataset
172
experimental
values.
Seven
input
parameters,
including
graphite
nanoparticle
(GrN)
diameter,
water-to-cement
ratio
(wc),
GrN
content
(GC),
ultrasonication
(US),
sand
(SC),
curing
age
(CA),
thickness
(GT),
considered.
The
trained
70
%
data,
remaining
30
data
was
used
testing
models.
Statistical
metrics
as
mean
absolute
error
(MAE),
root
square
(RMSE)
correlation
coefficient
(R)
assess
predictive
accuracy
DT
AR
demonstrated
exceptional
accuracy,
yielding
high
coefficients
0.983
0.979
training,
0.873
0.822
testing,
respectively.
Shapley
Additive
exPlanation
(SHAP)
analysis
highlighted
influential
role
positively
impacting
CS,
while
an
increased
(w/c)
negatively
affected
CS.
showcases
efficacy
techniques
accurately
predicting
nanoparticle-modified
concrete,
offering
swift
cost-effective
approach
assessing
nanomaterial
impact
reducing
reliance
time-consuming
expensive
experiments.
Water,
Journal Year:
2020,
Volume and Issue:
12(10), P. 2951 - 2951
Published: Oct. 21, 2020
Electrical
conductivity
(EC),
one
of
the
most
widely
used
indices
for
water
quality
assessment,
has
been
applied
to
predict
salinity
Babol-Rood
River,
greatest
source
irrigation
in
northern
Iran.
This
study
uses
two
individual—M5
Prime
(M5P)
and
random
forest
(RF)—and
eight
novel
hybrid
algorithms—bagging-M5P,
bagging-RF,
subspace
(RS)-M5P,
RS-RF,
committee
(RC)-M5P,
RC-RF,
additive
regression
(AR)-M5P,
AR-RF—to
EC.
Thirty-six
years
observations
collected
by
Mazandaran
Regional
Water
Authority
were
randomly
divided
into
sets:
70%
from
period
1980
2008
was
as
model-training
data
30%
2009
2016
testing
validate
models.
Several
variables—pH,
HCO3−,
Cl−,
SO42−,
Na+,
Mg2+,
Ca2+,
river
discharge
(Q),
total
dissolved
solids
(TDS)—were
modeling
inputs.
Using
EC
correlation
coefficients
(CC)
variables,
a
set
nine
input
combinations
established.
TDS,
effective
variable,
had
highest
EC-CC
(r
=
0.91),
it
also
determined
be
important
variable
among
combinations.
All
models
trained
each
model’s
prediction
power
evaluated
with
data.
quantitative
criteria
visual
comparisons
evaluate
capabilities.
Results
indicate
that,
cases,
algorithms
enhance
individual
algorithms’
predictive
powers.
The
AR
algorithm
enhanced
both
M5P
RF
predictions
better
than
bagging,
RS,
RC.
performed
RF.
Further,
AR-M5P
outperformed
all
other
(R2
0.995,
RMSE
8.90
μs/cm,
MAE
6.20
NSE
0.994
PBIAS
−0.042).
hybridization
machine
learning
methods
significantly
improved
model
performance
capture
maximum
values,
which
is
essential
resource
management.
Ecotoxicology and Environmental Safety,
Journal Year:
2021,
Volume and Issue:
229, P. 113061 - 113061
Published: Dec. 11, 2021
The
accurate
evaluation
of
groundwater
contamination
vulnerability
is
essential
for
the
management
and
prevention
in
watershed.
In
this
study,
advanced
multiple
machine
learning
(ML)
models
Radial
Basis
Neural
Networks
(RBNN),
Support
Vector
Regression
(SVR),
ensemble
Random
Forest
(RFR)
were
applied
to
determine
most
performance
vulnerability.
Eight
factors
DRASTIC-L
rated
based
on
modified
DRASTIC
model
(MDM)
used
as
input
data.
adjusted
index
(AVI)
with
nitrate
values
was
output
data
modeling
process.
three
verified
using
statistical
criteria
MAE,
RMSE,
r2,
ROC/AUC
values.
RFR
showed
highest
comparison
standalone
SVR
RBNN
models.
Specifically,
kept
all
promising
solutions
during
due
its
flexibility
robustness,
map
obtained
by
more
predicting
vulnerable
areas
contamination.
It
concluded
that
a
robust
tool
enhance
vulnerability,
it
could
contribute
environmental
safety
against
Sustainability,
Journal Year:
2022,
Volume and Issue:
14(3), P. 1183 - 1183
Published: Jan. 21, 2022
The
prediction
accuracies
of
machine
learning
(ML)
models
may
not
only
be
dependent
on
the
input
parameters
and
training
dataset,
but
also
whether
an
ensemble
or
individual
model
is
selected.
present
study
based
comparison
supervised
ML
models,
such
as
gene
expression
programming
(GEP)
artificial
neural
network
(ANN),
with
that
model,
i.e.,
random
forest
(RF),
for
predicting
river
water
salinity
in
terms
electrical
conductivity
(EC)
dissolved
solids
(TDS)
Upper
Indus
River
basin,
Pakistan.
projected
were
trained
tested
by
using
a
dataset
seven
chosen
basis
significant
correlation.
Optimization
RF
was
achieved
producing
20
sub-models
order
to
choose
accurate
one.
goodness-of-fit
assessed
through
well-known
statistical
indicators,
coefficient
determination
(R2),
mean
absolute
error
(MAE),
root
squared
(RMSE),
Nash–Sutcliffe
efficiency
(NSE).
results
demonstrated
strong
association
between
inputs
modeling
outputs,
where
R2
value
found
0.96,
0.98,
0.92
GEP,
RF,
ANN
respectively.
comparative
performance
proposed
methods
showed
relative
superiority
compared
GEP
ANN.
Among
sub-models,
most
yielded
equal
0.941
0.938,
70
160
numbers
corresponding
estimators.
lowest
RMSE
values
1.37
3.1
testing
data,
sensitivity
analysis
HCO3−
effective
variable
followed
Cl−
SO42−
both
EC
TDS.
assessment
external
criteria
ensured
generalized
all
aforementioned
techniques.
Conclusively,
outcome
research
indicated
selected
key
could
prioritized
quality
management.
Scientific Reports,
Journal Year:
2022,
Volume and Issue:
12(1)
Published: July 1, 2022
The
rising
salinity
trend
in
the
country's
coastal
groundwater
has
reached
an
alarming
rate
due
to
unplanned
use
of
agriculture
and
seawater
seeping
into
underground
sea-level
rise
caused
by
global
warming.
Therefore,
assessing
is
crucial
for
status
safe
aquifers.
In
this
research,
a
rigorous
hybrid
neurocomputing
approach
comprised
Adaptive
Neuro-Fuzzy
Inference
System
(ANFIS)
hybridized
with
new
meta-heuristic
optimization
algorithm,
namely
Aquila
(AO)
Boruta-Random
forest
feature
selection
(FS)
was
developed
estimating
multi-aquifers
regions
Bangladesh.
regard,
539
data
samples,
including
ten
water
quality
indices,
were
collected
provide
predictive
model.
Moreover,
individual
ANFIS,
Slime
Mould
Algorithm
(SMA),
Ant
Colony
Optimization
Continuous
Domains
(ACOR)
coupled
ANFIS
(i.e.,
ANFIS-SMA
ANFIS-ACOR)
LASSO
regression
(Lasso-Reg)
schemes
examined
compare
primary
Several
goodness-of-fit
such
as
correlation
coefficient
(R),
root
mean
squared
error
(RMSE),
Kling-Gupta
efficiency
(KGE)
used
validate
robustness
models.
Here,
Forest
(B-RF),
robust
tree-based
FS,
adopted
identify
most
significant
candidate
inputs
effective
input
combinations
reduce
computational
cost
time
modeling.
outcomes
four
selected
ascertained
that
ANFIS-OA
regarding
best
accuracy
terms
(R
=
0.9450,
RMSE
1.1253
ppm,
KGE
0.9146)
outperformed
0.9406,
1.1534
0.8793),
ANFIS-ACOR
0.9402,
1.1388
0.8653),
Lasso-Reg
0.9358),
0.9306)
Besides,
first
combination
(C1)
three
inputs,
Cl-
(mg/l),
Mg2+
Na+
yielded
among
all
alternatives,
implying
role
importance
(B-RF)
selection.
Finally,
spatial
distribution
assessment
study
area
high
predictability
potential
B-RF
compared
other
paradigms.
important
novelty
research
using
framework
non-linear
filtering
technique
neuro-computing
approach,
which
can
be
considered
reliable
tool
assess