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Dat690 Final Presentation
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christopher david
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Updated Mar 7, 2022
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Chapters
00:00
Chapter 1
00:10
Chapter 2
00:19
Chapter 3
00:55
Chapter 4
00:59
Chapter 5
01:16
Chapter 6
01:19
Chapter 7
01:27
Chapter 8
02:01
Chapter 9
02:04
Chapter 10
02:18
Chapter 11
02:21
Chapter 12
02:33
Chapter 13
02:35
Chapter 14
02:39
Chapter 15
02:47
Chapter 16
03:03
Chapter 17
03:07
Chapter 18
03:25
Chapter 19
03:28
Chapter 20
03:32
Chapter 21
03:35
Chapter 22
03:51
Chapter 23
04:03
Chapter 24
04:08
Chapter 25
04:53
Chapter 26
04:56
Chapter 27
05:10
Chapter 28
05:20
Chapter 29
05:42
Chapter 30
05:46
Chapter 31
05:48
Chapter 32
06:03
Chapter 33
06:12
Chapter 34
06:15
Chapter 35
06:55
Chapter 36
06:58
Chapter 37
07:12
Chapter 38
07:14
Chapter 39
07:25
Chapter 40
07:31
Chapter 41
07:33
Chapter 42
07:42
Chapter 43
08:27
Chapter 44
08:30
Chapter 45
08:53
Chapter 46
08:56
Chapter 47
09:18
Chapter 48
09:21
Chapter 49
09:47
Chapter 50
09:51
Chapter 51
09:53
Chapter 52
10:04
Chapter 53
10:26
Chapter 54
10:30
Chapter 55
10:36
Chapter 56
10:38
Chapter 57
11:07
Chapter 58
11:10
Chapter 59
11:25
Chapter 60
11:28
Chapter 61
11:59
Chapter 62
12:01
Chapter 63
12:03
Chapter 64
12:10
Chapter 65
12:52
Chapter 66
12:55
Chapter 67
13:23
Chapter 68
13:25
Chapter 69
14:56
Chapter 70
14:58
Chapter 71
Audio Transcript
Auto-generated
00:01 - 00:03
Welcome to my G. E.
00:03 - 00:06
employee attrition proposal
00:06 - 00:08
for data 6 90
00:08 - 00:09
by Christopher David.
00:12 - 00:13
First we start off with the introduction
00:14 - 00:15
which continues the problem,
00:16 - 00:17
the background,
00:17 - 00:18
the methodology
00:18 - 00:19
and the resources.
00:21 - 00:23
The background is geez employee
00:24 - 00:26
attrition rate has increased
00:26 - 00:28
to hire and train a new employee.
00:29 - 00:31
It cost 80%
00:31 - 00:32
of the person's salary.
00:33 - 00:35
We have been asked to curate a model to predict
00:36 - 00:38
reasons for employee Trish situation.
00:39 - 00:41
G. Has highly trained employees
00:42 - 00:43
that are hard to replace.
00:43 - 00:47
This is why the increased cost of 80% of the person's salary
00:48 - 00:50
to replace an employee.
00:50 - 00:52
They are multifaceted business
00:53 - 00:55
that runs different avenues
00:55 - 00:56
of revenue streams
00:57 - 01:00
that's going on to the problem.
01:01 - 01:04
The problem is he has seen an increase in its employee attrition
01:05 - 01:07
which leads to the following impacts,
01:07 - 01:09
loss of experience employees.
01:10 - 01:12
The increased cost of training new employees
01:13 - 01:16
and time to train your employees causing loss of throughput
01:18 - 01:20
the methodology
01:21 - 01:24
in the methodology, we have the model type,
01:24 - 01:24
the method
01:25 - 01:27
and an example of a flow chart we're using
01:28 - 01:30
first we go to the model
01:31 - 01:35
model type logistic regression model is a model type. We use.
01:35 - 01:36
This model
01:36 - 01:40
is considered as one of the industry standards from pediatrician
01:41 - 01:43
and the results can be easily to explain
01:43 - 01:46
other models are available like the Random forest model
01:47 - 01:48
but can get very difficult
01:49 - 01:51
with more variables that are added.
01:51 - 01:54
Also logistic regression works well
01:55 - 01:57
when you have a binary system
01:57 - 02:00
of zeros and ones which are attrition was either yes or no.
02:03 - 02:04
Next is our method.
02:07 - 02:11
The C. R. S. I. P slash DM method
02:11 - 02:15
was followed while creating this model. This is an industry standard
02:15 - 02:17
to run models
02:17 - 02:18
professionally.
02:20 - 02:23
The next is an example of a flow chart.
02:23 - 02:25
So the trucks were created to ensure that
02:25 - 02:27
there is a consistent process that was followed
02:28 - 02:31
and data cleaning, data appropriation and data delivery.
02:32 - 02:33
Our presentation
02:35 - 02:37
moving away from the methodology,
02:38 - 02:39
we next moved to resources.
02:42 - 02:44
The reason resources to run this model,
02:44 - 02:48
our HR data and employee resource to run the model,
02:49 - 02:53
the HR data. We use a report that's already been created
02:53 - 02:55
and distorted our HR warehouse.
02:56 - 02:58
This report is updated each night
02:58 - 03:01
and the report has the required information so no
03:01 - 03:03
other reports would be needed to be generated.
03:05 - 03:07
Next employee resources
03:09 - 03:13
Reimported resources to run this model, it takes about one person.
03:13 - 03:15
It takes about 3-5 seconds to run
03:16 - 03:17
depending on the data size.
03:19 - 03:20
No other
03:20 - 03:23
employees or other systems will be needed to run this.
03:23 - 03:24
Besides our studio
03:28 - 03:30
moving away from resources
03:30 - 03:32
that concludes our introduction.
03:33 - 03:33
Next
03:34 - 03:35
we move into
03:36 - 03:38
our pilot plan.
03:39 - 03:42
We use the current data provided by G. E H. R.
03:43 - 03:44
To build a model plan
03:44 - 03:46
The requirements to build a model
03:46 - 03:48
where 70% accuracy or better.
03:49 - 03:51
First we go into the results explained
03:53 - 03:56
the results explain the pilot was his success.
03:57 - 04:00
It was 88% accurate and was able to find the top reasons
04:01 - 04:03
why employees choose to leave ge
04:05 - 04:09
moving the results explained. We move into the results itself.
04:10 - 04:16
The table below shows the most significant reasons on why people leave G
04:17 - 04:18
as you can see.
04:18 - 04:21
There are some that we are directly responsible for
04:21 - 04:22
and some
04:23 - 04:25
that we are not directly responsible for.
04:26 - 04:30
One that we are directly responsible for is how often our employee travels.
04:30 - 04:31
And you see at the list
04:32 - 04:35
frequently seems to have a higher attrition rate.
04:35 - 04:36
Then
04:37 - 04:38
not traveling at all.
04:39 - 04:41
1/2 that we don't have direct influence our
04:42 - 04:43
the distance from home.
04:43 - 04:45
How far are employees leave from home?
04:45 - 04:47
So a balance should be created
04:48 - 04:51
when changing HR guidelines are adapting guidelines
04:51 - 04:52
to the model results.
04:55 - 04:57
The next is you can see the ROC curve
04:58 - 05:00
in a rock curve. The area under the Roc curve was
05:01 - 05:03
0.8684,
05:04 - 05:07
Anything over .5 shows that the model is a good fit
05:08 - 05:09
And as you can see, we're at .8
05:15 - 05:15
moving
05:16 - 05:17
from directive
05:19 - 05:21
and we then moved to the confusion matrix.
05:23 - 05:25
If you should make sure it tells us how accurate we are.
05:26 - 05:30
And as you can see, we are 88% accurate in this model
05:30 - 05:32
For a pilot phase
05:32 - 05:36
and test you know, building our model 88% is a good rate,
05:36 - 05:40
which means the employee the GE's requirement
05:40 - 05:42
For over 70
05:44 - 05:46
moving from the pilot plant.
05:46 - 05:48
We then move into
05:49 - 05:51
our testing phase.
05:51 - 05:54
Since our pilot was successful, we decided not to modify our model,
05:55 - 05:56
they go straight to testing,
05:57 - 05:59
which means we were using all the variables
05:59 - 06:01
that were provided by the HR spreadsheet.
06:02 - 06:04
Again, we go into the results, explained
06:05 - 06:06
results of Swain
06:07 - 06:11
we we tested our model and found it was equally as accurate.
06:11 - 06:12
Is there a testing model?
06:15 - 06:16
The results
06:17 - 06:19
show the same results as we got under testing model
06:20 - 06:21
and again
06:22 - 06:24
some of the variables are under control and
06:24 - 06:26
some of the variables are not under control.
06:27 - 06:29
And for this under our control
06:30 - 06:32
we need to look at the job sales
06:33 - 06:35
representative or representatives of sales
06:36 - 06:39
because that has a higher attrition rate than other types
06:39 - 06:42
of job roles that we have at G. E.
06:42 - 06:44
one that is not under control
06:45 - 06:48
is the total working years.
06:49 - 06:50
We cannot, you know,
06:51 - 06:54
in our control is not how many hours or years our employees work
06:56 - 06:58
moving. Next is the roc curves.
07:00 - 07:05
You can see a rocker did drip a little at 0.8178
07:06 - 07:09
But it is still within the .70 that we have been
07:09 - 07:12
asked by ge to make sure our model is accurate.
07:14 - 07:15
Our confusion Matrix
07:16 - 07:17
did say the same.
07:17 - 07:18
Thanks.
07:18 - 07:21
The surrounding was a little higher at 89% accurate.
07:22 - 07:26
So this model is a good fit for G E s employee attrition.
07:29 - 07:30
Moving from the testing phase,
07:31 - 07:32
we then
07:32 - 07:34
we'll move into
07:35 - 07:36
the stakeholders.
07:37 - 07:42
So I G which is a multifaceted company. There are a lot of stakeholders.
07:42 - 07:44
First is our Ge managers.
07:45 - 07:48
Team managers need the output of the model in order to have steak conversations
07:49 - 07:50
with their employees.
07:51 - 07:53
The output will give them topics to inquire
07:53 - 07:55
about within with their employees.
07:56 - 07:57
So
07:57 - 08:00
what does that mean by state conversations. The state conversation is
08:01 - 08:04
when you talk to your employee kind of as a sales representative
08:04 - 08:07
going, I understand that
08:07 - 08:11
over time is an issue or travels an issue.
08:11 - 08:14
They can talk to the employee to understand how they can get
08:14 - 08:18
together and make that employee's job involvement and job connection to G.
08:18 - 08:20
E. S. Plan. Better.
08:21 - 08:24
This will help our employees that want to stay
08:24 - 08:27
and maybe even recruit other employees.
08:28 - 08:30
The next is the HR department.
08:31 - 08:34
So the HR Department has two different facets.
08:34 - 08:36
The HR will use the output from the
08:36 - 08:39
model to determine what guidelines would be changed.
08:39 - 08:42
Student employees leaving and in some cases like
08:42 - 08:45
ge the HR can do the hiring which would
08:45 - 08:49
mean they have to also find higher and
08:49 - 08:52
understand how to train new employees for the business
08:54 - 08:57
moving from the HR department we have the I. T. Department.
08:58 - 09:01
The I. T. Department not only needs to know how to run the model
09:01 - 09:04
but they also need to know how long it takes the model to run.
09:06 - 09:10
Another thing that the I. T. Department is responsible for is making sure that our I.
09:10 - 09:16
T. Systems can handle the amount of people working and also deactivate and activate
09:17 - 09:18
employees accounts.
09:20 - 09:22
Then we move into an employee themselves.
09:23 - 09:26
The employees are the most important that would benefit from this model
09:27 - 09:29
because of the whole purposes model
09:29 - 09:31
is to entice employees to stay.
09:32 - 09:37
So not only does the employee when they leave give us the data of why they left,
09:37 - 09:40
but we also need to be seeing how we keep our employees with this model
09:41 - 09:42
in this model.
09:42 - 09:43
Once we adapt the guidelines
09:44 - 09:47
will help us entice our employees to stay at ge
09:49 - 09:52
moving away from the stakeholders.
09:53 - 09:54
We then move into
09:55 - 09:57
our invitation plan
09:57 - 09:59
which we have modification rules.
09:59 - 10:01
Results, explain results
10:02 - 10:04
ROC curve and are confusing matrix.
10:04 - 10:08
They don't modifications. Again, we did not modify the data set
10:09 - 10:12
for the verification data set or any future data sets,
10:13 - 10:16
the HR model or the HR spreadsheet that is
10:17 - 10:18
record it every night
10:18 - 10:19
and will be supplied to us.
10:20 - 10:23
Can be directly entered into our our studio model
10:23 - 10:26
and be able to be used to work on the model.
10:28 - 10:31
The results explain what the verification data
10:33 - 10:36
was. A model is trying to be more accurate than during the testing phase.
10:41 - 10:43
The results again fruit at the same results
10:43 - 10:45
as both during the testing and the training
10:46 - 10:47
and as you can see
10:48 - 10:53
right, we have the highest significant value on all values here.
10:53 - 10:56
And these would be given to g as the top reasons why
10:56 - 11:01
employees leave so that they can figure out or adapt their guidelines
11:01 - 11:03
and how to entice their employees to stay,
11:04 - 11:07
especially ones that fit in multiple of these categories.
11:11 - 11:12
The ROC curve.
11:13 - 11:16
There's .8619 showing this model is a good fit
11:17 - 11:20
again over the .70 requirement
11:20 - 11:22
for the 72% requirement
11:23 - 11:25
From ge we are at 86
11:28 - 11:30
And the confusion makes it sort of verification data
11:31 - 11:34
as you can see we were 92.5% accurate.
11:35 - 11:39
This number is well above what G. E. Is asking for
11:40 - 11:44
as well as our model is able to predict
11:44 - 11:46
All but 15 times
11:47 - 11:49
Out of the 200
11:50 - 11:53
Line items that were given us. So 200 employees that were given us
11:53 - 11:59
this model is very accurate in helping ge to determine to retrain their employees.
12:01 - 12:03
Next we go into
12:04 - 12:06
our summary or our conclusions.
12:07 - 12:10
The budget for the new data sets and the recommendations.
12:11 - 12:13
First we're going to our budget.
12:13 - 12:14
We know
12:15 - 12:18
with the knowledge of Y G. E. Employees are leaving
12:18 - 12:22
it's hard to modify guidelines to retrain included employees.
12:22 - 12:25
This reduced the new higher budget allocation
12:25 - 12:28
by keeping our employees and having to stay conversations
12:29 - 12:31
and having guidelines that are most up to date
12:31 - 12:36
where our employees are showing more jobs involvement and more job connection.
12:37 - 12:41
The ease budget to hire new employees will greatly reduce
12:42 - 12:46
G will be able to focus more on increasing
12:46 - 12:49
their product to me and developing new ideas
12:49 - 12:52
than worrying about hiring new employees.
12:55 - 12:56
The new data sets.
12:57 - 12:58
The new data sets
12:58 - 13:00
can be easily used
13:00 - 13:03
right with the R. Q. R. Code filing
13:04 - 13:06
sets that have been entered into the model.
13:06 - 13:07
It is
13:07 - 13:11
the r script that is sent with this model is open
13:11 - 13:14
to a new data set it just needs to be entered.
13:14 - 13:17
Will also be showing I. T. Department and I. T.
13:17 - 13:20
Representatives on how to add data sets to the model.
13:20 - 13:23
To make it easy for future data sets to be entered
13:26 - 13:27
recommendations.
13:28 - 13:30
The model should be run once a month to see changes
13:31 - 13:32
and why employees are leaving.
13:33 - 13:35
The reason why the once a month was set
13:35 - 13:39
was to ensure that any guideline changes by G by G E H R.
13:40 - 13:42
Had time to filter through the employees
13:43 - 13:47
changing a guideline today. You will not see the effect tomorrow.
13:48 - 13:51
We need to allow time for the guideline change
13:51 - 13:53
to filter through employees.
13:53 - 13:55
We also suggest
13:55 - 13:59
that a survey should be created for real time data on how guideline changes affect
14:00 - 14:01
employees.
14:01 - 14:05
This will allow G E G E H R. To see the change affected
14:06 - 14:07
immediately.
14:07 - 14:10
This survey can be handed to all employees
14:10 - 14:11
and asked,
14:12 - 14:18
we are about to change this guideline. How would you feel if we did a B or C.
14:19 - 14:20
Another into another
14:21 - 14:23
survey that could be created
14:23 - 14:26
to help this model is an exit interview
14:26 - 14:30
while HR does capture all this information.
14:30 - 14:32
The employees should be allowed time
14:33 - 14:33
too right
14:34 - 14:37
how they feel and why are they leaving the company?
14:39 - 14:42
Yes this will make it a little harder for G E H.
14:42 - 14:45
R to sort through so many different writings
14:45 - 14:49
but it does allow the employee to free flow and give
14:49 - 14:52
us information that may not be captured in a closed,
14:52 - 14:53
open, closed system
14:54 - 14:55
or a close ended survey
14:59 - 15:00
at the.
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