Difference between revisions of "User:TChen"
From REU@MU
(→Work Log) |
|||
| Line 138: | Line 138: | ||
'''''Monday 7/26''''' | '''''Monday 7/26''''' | ||
*Still working on Kriging interpolation | *Still working on Kriging interpolation | ||
| + | *Encountering difficulty in aligning metrics between ATL03 and ATL07 | ||
| + | '''''Tuesday 7/27''''' | ||
| + | *Met with Satish to discuss upcoming plan for the week | ||
| + | *Looked into LSTM for time-series predictions | ||
| + | *Successfully replicated ATL07 classification with 97% accuracy (but at the same granularity as the ATL07 data) | ||
| + | '''''Wednesday 7/28''''' | ||
| + | *Mainly reading LSTM papers | ||
| + | '''''Thursday 7/29''''' | ||
| + | *Returned to Kriging vs learning comparison | ||
Revision as of 23:32, 29 July 2021
Contents
About Me
Hello! I'm Theresa Chen, student at Carleton College, class of '22. I am a double major in environmental studies and computer science.
Work Log
Week 1
Working part-time due to still being in school
Tuesday 6/1
- Attend REU orientation
- Attend mini data science boot camp
Wednesday 6/2
- Continue mini data science boot camp
Thursday 6/3
- Attend Good Research Practices Talk by Dr. Brylow
Week 2
Tuesday 6/8
- Meet with Dr. Puri, discuss overall research goals
- Begin literature review
Wednesday 6/9
- Responsible Conduct of Research (RCR) training
- Attend REU event on technical writing
Thursday 6/10
- Continue lit review
- Familiarize self with different ICESAT-2 data products
- Watch some tutorials from ICESAT-2 hackweek
Friday 6/11
- Lit review- looking at articles related to areas of interest in the arctic
- Meet with Dr. Puri
- Narrow down interest to ATL03 files, start pre-processing data
Week 3
Monday 6/14
- Continue lit review
- Explore captoolkit, used to process ATL06 open altimetry data
- Try to reduce HDF5 file to only variables selected for project
Tuesday 6/15
- Visualize raw photon height data from selected study area in the arctic
- Experiment with data visualizations
- Review past paper from old REU participant Erin Doyle
- Meet with Dr. Puri, decide to expand variable selection
Wednesday 6/16
- Working on processing HDF5 to csv
- Went to REU Professional Event
- Created REU Wiki pages
Thursday 6/17
- Double checking data sets by visualizing photon heights to see if elevation makes sense
- Obtaining datasets for several areas near the arctic circle
- Beginning machine learning tutorials using "keras" package
Friday 6/18
- Working on creating neural network
- Mostly debugging tensorflow installation
- Experimenting with hyperparameters like epochs and batch size to reduce loss and increase accuracy
Week 4
Monday 6/21
- Predicted results from NN still have very low accuracy, still trying to fix
Tuesday 6/22
- Fixing uneven output types for NN model
- Fixing low accuracy for NN model
- Met with Satish to discuss expectations for the coming week
Wednesday 6/23
- Finally got working results for NN model
- Working to visualize and compare results for height prediction
- Learning how to use geopandas and geoplot
Thursday 6/24
- Debugging geoplot, issues with conda installation
- Working on data visualizations
- Started using cartopy
Friday 6/25
- Lit review on lead classification
- Finalized some data visualizations
Week 5
Monday 6/28
- Attended RCR on presentations
- Worked on slides for presentation on Wednesday
- Read a paper on calculating sea ice thickness from ATL10 freeboard estimates
Tuesday 6/29
- Read a paper on lead classification
- Met with Satish to discuss verification of results
- Practiced for Wednesday presentation
Wednesday 6/30
- Attended research presentations and gave presentation in the morning
- Compared results to OpenAltimetry results
- Read up on CRYOSAT and Sentinel-1
Thursday 7/1
- Read up on ATL10 Freeboard algorithm
- Looked at alternative machine learning classification techniques for lead detection
Friday 7/2
- Continued researching lead detection
- Set up Marquette VPN so that larger area in arctic circle could be analyzed
- Read literature on features and areas of interest in Arctic Circle
Week 6
Monday 7/5
- Lit review of CRYOSAT-2 lead detection algorithms
- Review of decision trees
Tuesday 7/6
- Attended training on ethical computing
- Code reorganization so that it will be scalable to multiple HDF5 files
- Meeting with Satish to discuss building a lead classifier
Wednesday 7/7
- Attended training on making research posters
- Started coding neural network for classification
Thursday 7/8
- Encountering difficulties with classification due to photon aggregation
- Reading up on how much granularity is possible
Friday 7/9
- Working on processing ATL07 files
- Exploring different types of classifiers
Week 7
Monday 7/12
- Fixing data issue with ATL07
- Familiarizing self with Beaufort sea area
Tuesday 7/13
- Met with Satish to discuss data issue within ATL07 and ATL03
- Read up on CNN
- Read up on Gaussian Width calculations
Wednesday 7/14
- Recalculating Gaussian Width is not possible
- Attended RCR training in the morning
Thursday 7/15
- Using icepyx API to download Beaufort sea coordinates
Friday 7/16
- Looking at time series analyses as a way to analyze data
- Trying to map out four year time series of Beaufort Sea
Week 8
Monday 7/19
- Continuing to struggle with icepyx (doesn't accept multipolygon shapefiles?)
- Continuing to struggle with data wrangling in order to directly compare ATL07 and ATL03
- Trying to fix data issue, not succeeding, is there any way to count photons in segment?
Tuesday 7/20
- Finally imported data set to remote server!
Wednesday 7/22
- Read paper on applying persistent homology as an analytical approach to data
Thursday 7/23
- Kriging interpolation
Friday 7/24
- Reconstructing ATL07 classifier
Week 9
Monday 7/26
- Still working on Kriging interpolation
- Encountering difficulty in aligning metrics between ATL03 and ATL07
Tuesday 7/27
- Met with Satish to discuss upcoming plan for the week
- Looked into LSTM for time-series predictions
- Successfully replicated ATL07 classification with 97% accuracy (but at the same granularity as the ATL07 data)
Wednesday 7/28
- Mainly reading LSTM papers
Thursday 7/29
- Returned to Kriging vs learning comparison
