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Posts tagged “daily blogging

A week in review

I figure it’s a good time for the recap of the week. I mean there was a lot going on and while I want to spend some more time on my “in statistics” series, I also really need a break. So instead of spending a lot of time making sure the information I’m presenting is accurate, concise(ish), and (with luck) well thought out, I figure it would be easier to talk about the things I’ve had to do this week and the things I get to look forward to! Joy, welcome to life as a PhD candidate.

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The lonely cultist

Listen closely as I am going to divulge a secret from the universe. It will be so earth shattering that you will forever remember this movement. There will be an irrevocable before and after. It has taken me decades to uncover this secret and as the sole owner and guardian of it, I am trusting part of it to you. You can be a part of something larger than yourself, find secret truths, and if you are ready to receive them, find your own. There are secrets in this life hidden just beyond human sight and they are waiting for you to find them. They are calling out to you in the wind. Do you hear them? Are you ready?

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Caution: under pressure

For a third week in a row I’ve been instructed by my main-PI to give our lab virtual presentations on the work I’ve been doing. It’s been a point of stress now for almost a full month and doesn’t seem to be letting up any time soon. After every meeting I get a list of things I need to do before the following meeting and this time was no different, so today I guess we’re going to take a look at what exactly is next on my to-do list.

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The long data processing road

Okay I’m taking another break from the “in statistics” posts, at least for today since the next topic is going to be a long multi-day post worth of stuff and I need an easier post for today. I have way too much stuff going on at the moment to organize a long post! In any case, I figure I could give an update to the data I’ve been working with and how that whole mess is going. It’s mind numbing and exhausting work, but not in the way you would think.

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EEG cleaning progress

Yesterday’s coding work went better than expected! That may or may not bode will for the rest of the week, but hey at least I’m sort of ahead of schedule. Today I figure we can take a quick look at what I’ve been doing with the data and why. This will be part informative and part me complaining about how everything has to be so damned hard (basically the usual around here). Mostly it will just be some visuals of the things I’ve had to change to get everything looking like my main-PI wants, he’s got a particular style he likes so a lot of large text, bolded labels, etc.

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The juggling act

The middle colorful plot, it’s called a spectrogram and if you notice the colorbar to the right has values ranging up to 25,000, that’s not right…

Blogging and coding and writing, oh my! There’s a lot to get done, seems like a running theme around here doesn’t it? If it were possible to clear some of it off my plate it wouldn’t be so bad, but the sad truth is deadlines seem to like to group together and there are quite a few coming up. Most of them are for my class so I can’t really miss those even if I wanted to. My research deadlines I can’t really miss either, not without some consequences anyway. So we’re back to juggling everything, but as we’ve seen in the past, I’m pretty good at this.

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The new to-do list

It’s been busy! So busy I was trying to find time to write while working on the million other things I have going on. Since I have a moment, I thought now would be as good a time as any to go over the big list my main-PI gave me to do before next week. It’s a long, long, long list and as you may expect, he’s pretty far removed from the situation, so I don’t think he realizes how difficult it is to do what he’s asking, but we’re doing any anyway! Thankfully I’ve gotten pretty good at coding, the bad side is that it’s not my code I’m working with, so that’s the start of my struggles.

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A meeting with my two PI’s

Yeah it feels pretty dangerous…

If I could make a comedy TV show about my life, I would call it my two PI’s and I would get into hilarious situations while trying to make both of them happy. Mostly you would see me get a lack of sleep and sort of feel like I’m running on a treadmill, going as fast as I can, but getting nowhere. It’s not all bad and I respect my two PI’s, but there’s a saying about having too many hands in the cookie jar and sometimes it feels like that’s what is happening. It’s a lot like the old game “telephone” where I’m given information to pass along between the two, so we’re all going to meet… *cue dramatic music*

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First project deadline!

I didn’t have anything particularly lined up for today to add to the “in statistics” posts I’ve been doing, so today I thought it may be better to outline what I’m doing in the statistics course I’m taking. At the very least it may help me get it done, because as usual around here, the project is due… today. Yep, it’s yet another mad dash to the finish. Will I make it? Will I ever figure out what statistics is? Will I learn to stop asking questions in this format? Find out all this and more!

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Confidence intervals in statistics

Wait… this is the wrong kind of confidence!

Well since our mad scientist from yesterday’s post is on a short break, today we’re going to fill in some of the gaps that post brought into view. First up is the confidence interval. There are some subtle points here, so this should help clarify a few things that may not have been clear yesterday. We’re going to do a somewhat deep dive into what the heck we’re doing when we talk confidence interval and why the standard deviation of our data is important in determining the values.

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A fair coin in statistics

It has been a busy day, but the show must go on so to speak and I’m here today to tell you I have a nice shiny new coin for us to flip! The catch you may ask? Well it could be a fair coin or I may have just swapped it out for a coin that was not fair! Our goal is to see if I’m being sneaky and to do that we’re going to need some statistics!

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The central limit theorem in statistics

Today we’re gonna push it to the limit! The central limit theorem that is. It’s a cornerstone in statistics and the short and dry version is that it lets us turn any distribution we have into a normal distribution. If it wasn’t for the central limit theorem statistics would hurt far worse than it does now (speaking as someone taking a stats class now). For the longer version we need to discuss why a normal distribution is needed, why we prefer to work with them!

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Effect size in statistics

Imagine our population data is the red curve and our sample data is the blue and the post will help you make sense of it.

We’ve been talking statistics for the past few days and today we’re talking effect size. The short explanation is effect size is the difference between two conditions! The bigger the effect size, the easier it is to tell the two conditions apart, easy… right? There’s a lot that goes into determining effect size, after all it’s hard to know what your effect size is without having some prior knowledge about what you’re groups look like, so let’s go into some detail.

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The hypothesis in statistics

As promised today we’re talking statistics for experiments! It’s more interesting than it sounds… okay it’s exactly as exciting as it sounds. Depending on who you are that’s a lot or not at all. No matter where on the spectrum you fall, knowing how it works is useful. So we’re starting at the beginning and discussing what a hypothesis is and how we test it.

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The last PhD requirement

Real photo of me determining significance between two samples. It’s scarier than it looks.

We’re already at the end of the month, how the hell did that happen? It’s been close to a month and a half since the term started and it feels like it’s flying by. I realized that when I first started this project I covered a lot of the stuff I was learning at the time. In fact one of my previous class notes posts was in my top 10 highest viewed blog posts for 2020. Somewhere along the line I stopped doing that, so today we’re going to talk about what I’m taking this term, why I’m taking it, and why I’ll probably be adding a few step by step instructions for how you can do what I’m learning too in some of my upcoming posts.

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Great expectations

What did you want to be when you grew up? Sometimes the question ends in hilarity, a dinosaur, a unicorn, or maybe some other type of animal. Sometimes it leads to dreams of a sci-fi future, deep space traveller, Mars colonist, maybe a superhero. Whatever the answer is, they all have something in common. No one dreams of being average, but the average exists because so many people fall into it. Most of us have our dreams die as the reality of our existence becomes clear. I say fuck that, dream big until your last breath, why not?

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A look ahead

With the weather trying to kill everyone, the pandemic trying to kill everyone, and just life in general I feel like things are moving…. slooooow. I have a weekly meeting with my main-PI who reminded me that I’m behind and while he agreed it was probably due in part to the pandemic, it’s time to try and catch up. There is a lot going externally and internally, but I’m hoping that by covering a few things here I will have a nice little list I can refer back on and keep me on track. That’s the idea anyway.

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What is good outreach?

Yet another outreach event in the books! I have two more events this week and I believe that’s the last for my skype a scientist commitment. Since this term I was assigned classes practically all at once, I may re-volunteer to get a few extra classes in this term. Normally requests for my specific field don’t happen, but they’ve become more frequent, which is interesting to see because biomedical engineering, or my subset neuroengineering, isn’t a widely known field, but it is growing. All this recent outreach has gotten me thinking about what makes a good presentation, so let’s talk about it.

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Outreach as a hobby

I reference this photo later in the post, but it’s my robot foot!

It feels like only yesterday I was fighting to stay alive and stay warm, but now like a bad dream it’s gone before it settled. Sure I’m still stiff from sleeping on the floor and the water isn’t on yet, but life has quickly thrown us back into “normal.” I don’t understand how people can shift so suddenly like the last week didn’t happen, but here we are, and here I am getting ready for another round of outreach.

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On water

Water, it’s easy to take for granted when, with the flick of a wrist, you can get it pumped directly into your sinks, your showers, your toilets. The human body can survive for a substantial amount of time without food, that number varies depending on body composition and other factors, but it’s typically estimated anywhere from 8 to 21 days. That isn’t to say food is unimportant, just that on the hierarchy of needs, water is king. Depending on the circumstances, you may not even last a full day without it, so what do you do when you don’t have any?

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Full speed ahead

Neither rain, nor sleat, nor pandemic, nor freezing to death stop us from moving forward. I think that’s how the PhD motto goes anyway. Since the past week we’ve been struggling to simply live, we’ve had the whole city sort of on pause. That pause has come to an end, there is no recovery period here, it’s straight back to work. That’s a feature of capitalism, not a bug and it isn’t limited to getting a PhD, but we’re definitely included in the back to work group.

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Surviving catastrophe: A how to guide

Well what a crazy time to be alive, a time where everything is trying to kill us. Okay I acknowledge that nature is one ruthless force, but a lot of what has happened in the past few days has been almost completely due to human greed. Between the global warming causing this “once in a lifetime” storm — that is certainly not once in a lifetime — and power companies more concerned about profit than human lives, it’s been a trial. People, real people like you or I, but with far more money, are trying to kill us. Don’t give them the satisfaction.

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I lived!

What a combo breaker, two years of dedication and daily blogging down the toilet because the government was trying extremely hard to kill me. I’m not mad, just disappointed, okay I’m very mad (in the government stuff, not my streak that’s not a big issue). Technically I’m not through the storm quite yet, the power could still go back out, but I have had power longer now than I have in the past few days. Long enough to write a quick update anyway.

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Well… the US is frozen

It’s beginning to look a lot like Christmas… not in the fun way either. Here in the US we’re almost completely blanketed in freezing weather and in most cases, lots of snow. Which of course means power outages, rolling blackouts, and generally trying to prevent the state from letting me freeze to death. It’s a whole lot of fun, I highly recommend it. When the temperature drops like this I’m reminded of times in my life where I couldn’t find a warm place to stay and that makes me nervous for the people stuck outside right now.

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On the stories we tell

It’s been a busy week, there was so much to do that I was worried it wasn’t going to all get done, but here we are! Things got done, mental health was prioritized, and I figure it’s a good time to talk about words. Or rather the stories they form, it’s a complex topic and this is really more for me than anything, a friendly reminder that I really enjoy writing. After all, while this blog is meant to help others, it’s also a message in a bottle to my future self, a reminder that I was really here and actually did the work. An ever growing time capsule of my thoughts if you will.

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My scicomm video is done!!

I finally finished my video for the outreach project my main-PI tasked me with (this was the last post talking about it). There was a lot of time, effort, frustration, and I will admit, some not so kid appropriate language I was using during the editing process of the video. Mostly because I’m an idiot who had to find the most difficult way to do this project. Today we’ll cover what I did, how I hate myself enough to do it, and the end result. Let’s just say I’m not going to be a movie director or actor anytime soon…

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The road to a PhD program

In hindsight this post should’ve happened a long time ago, like year one and day one of my 365 days of academia project. Things have… evolved in ways I didn’t understand when I started this, originally the project was simply going to be a notebook for my classes, then it turned into my journey as a whole, and even what I do in my spare time. Like anything we create it took on a life of its own and I’m reminded I should touch on the process to getting accepted into a PhD program.

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Paper submission!

This morning I woke up to some good news! I got an email letting me know that the journal paper I’ve been working on has been submitted. It’s not the end, it’s only the beginning really. It needs to be reviewed before we know the outcome, but I’ve spent the past ten months or so writing this damned thing, so this is a huge moment for me.

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The tightrope of mental health

My mental health is like walking on a tightrope, one slip and I’m done. Getting back up could take years for someone like me. The truth is, things are hard on the best of days. Getting out of bed, shaving, cutting my hair at regular intervals, things that would come easy to some require sheer force of will to accomplish. All the small choices through the day eat away at what little energy I have until I’m drained before breakfast. Yet here I am, pushing forward. It’s days like today remind me that for all the progress I’ve made, it’s still just a tightrope I walk.

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Back to outreach

Just hanging out with the bots.

Today was the finish line, like it or not the R21 grant had to be finished. My Co-PI seems happy enough about the outcome, so we’ll have to wait and see what the result is, it could be several months before we know anything. It was a marathon of work, data process, experimenting, and now… nothing. I’m finally done so I can actually focus on other projects, which is the topic of the day!

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R21 Deadline

Today is the FINAL day for me draft before we send the R21 proposal off for internal review. Technically I think we have all day tomorrow too, but I need to get this back to my Co-PI for review and his final edits before we can submit it. The good news is the scientific writer was very thorough with their edits and suggestions, the bad news is I told my Co-PI I would get it back to him tonight before realizing how much there was to do!

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The zero factorial

Permutations and combinations and math, oh my!

Today I’m doing some stats homework and was reminded of an odd quark in math, the zero factorial. It’s not very intuitive and I absolutely love weird math, so I thought I would share the fun. I never said I was normal… Anyway today we’re going to go over why 0! (zero factorial) is so interesting!

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A clear path!

The easy path to getting your PhD…

That was quick! I have an update regarding yesterday’s funding debacle already… it’s good news, but that’s all the hint you’re getting for now! Things are happening fast and frankly they need to I only have a few more days to finish the grant before its due for internal review and I don’t know how my Co-PI is feeling right now, but I’m stressed out!

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Scientific figure design

Well I’ve done it… sort of. I edited the grant for the semi-last time. Now we’ve got a working copy that reads the way we want it to read, so it’s off to the scientific writer to read over it and make sure it sounds good. You would think that means my work is done, but no. I need to do arguably the hardest part and create some of the figures we will use in the paper. Writing well takes practice, but making a good figure, well that’s art.

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Not cool Robert Frost!

“Two roads diverged in a yellow wood…” starts Frost in a poem that most people are at least familiar with, but typically is misnamed. The poem is typically identified as, “The Road Less Traveled”. This makes sense because the poem talks about the thought process behind why he chose the road less traveled and that it was worth it. That’s not the name of the poem though.

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R21 Grant update

We’re not even two weeks aways away from the deadline for the grant submission that I’m working on with my Co-PI and things are getting close! It feels like there is still so much to do that I don’t see how we would ever make it to the end, but really a lot of it comes down to polishing everything to make it look pretty. Part of writing a grant is telling a story, that story needs to be backed up by science, but without the story the grant will fall flat.

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End of the month crunch

It’s the end of the month and that means there are a lot of loose ends I need to tie up before the new month begins. Deadlines I need to hit, plots to make, projects due, heck I even have a book chapter due. There’s just a lot going on and not a lot of time to finish it all. It seems to be a common theme that things are “due” at the end of the month for me. This month is no different, but with school having started, it gets a little more hectic than normal.

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Experiment Results

It’s been a crazy week, more so than usual! The R21 grant I’m writing is due to my Co-PI today, it’s our self imposed deadline. It’s not THE deadline, but it might as well be in my mind. I’ve processed most of the data from the experiments and yesterday I said we would talk about the result from finding an error in my code. Well let’s talk about it!

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To code is divine, to err is human

Yesterday we had a problem. My data was not playing nice. It decided that I didn’t really have what I thought I should be seeing and that left me… anxious to say the least. Since this is all so new, one misstep could ruin everything. To make things worse, there was one of three choices and none of them were good news.

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The last experiment!

Today’s the day! It’s the last experiment for our R21 grant, we had our first set of experiments last week and today we’re completing the final experiment today. Hopefully we’ll have some good results for our grant, I got done processing some data last night and if I didn’t make an error the results were slightly underwhelming, but we’ll have to see I guess. There’s still a lot of things I need to check so I’m not too worried, okay slightly (very) worried…

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Experiments update!

Yes the data always look like a bunch of random squiggles, that’s why it takes forever to make sense of it.

Well a lot has happened this week, maybe not the most interesting of things for my readers, but this week has definitely kept me on my toes. Today we’re going to have to talk in circles because I can’t give away my “super secret” technique I’m researching, but I also have news about that technique. It’s all very hush, hush, top secret, would have to kill you if I told you type stuff for now, but that doesn’t mean we can’t talk about how the experiments I’m doing went!

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Second grant experiment

Data processing…. now in parallel!

Ever have one of those days that is so packed full of stuff to do you don’t think you’ll get a chance to eat? Well today is one of those days for me, I’ll be busy from morning to evening today between my experiment and class I don’t get a break! Since that’s the case, I think we should look at what’s on the agenda for the day in a bit more detail and how I plan on managing my time so that (hopefully) I won’t be late for anything.

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More on grant writing

Got the first round of edits back from my Co-PI on the R21 grant I’m writing. At first they didn’t look too bad, but it turns out he reworded quite a bit. Not that big of a deal honestly, but he did suggest that it was close to perfect, so I would hate to see what “not close” looks like. Today I figure we can discuss what I have left, why there’s a rush to get all this done, and why the heck I’m doing soooooo much writing!

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A violent transfer of power

Strap in kids, it’s inauguration day here in the US. Yep, Trump is out and we have a president again. My disdain for Trump is no secret, the amount of suffering and death he’s caused by his dereliction of duties, incompetence, and lack of empathy is incalculable and even with him gone, the damage he’s done will last at least a generation, if not more. Let’s be clear, this wasn’t a peaceful transition, the amount of military at the capitol says as much.

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More experiments!

*Cue mad scientist laugh* It’s alive!!! ALLLLIIIIVVVEEE!! No, I’m not reanimating corpses, I just work with human participants so if they weren’t alive it would be awkward. I mean really, really awkward. Thankfully since they are non-invasive experiments the risk of serious injury is almost zero. All this build up to say I’ve got some new experiments starting today, as in MY experiments! *Cue second mad scientist laugh*

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My first surgical shadow

With all the COVID excitement going on around here, I haven’t had the chance to share my experience about one of the coolest things I’ve had the chance to do thus far in my career! Since starting my PhD I feel like I’ve had all sorts of interesting experiences and while they haven’t helped me publish anything, I’ve learned a lot. Making a jump across fields like I did (design engineering to neural engineering) has had a steep learning curve from the start, but almost three years in and I’m feeling good about the decision.

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Everything you should know about the COVID vaccine

I’ve already written several posts on my experience with the first COVID vaccine dose (here and here) and the second dose (here and here). Today we’re putting it all together. I’m going to run through everything you should know about the COVID vaccine from how it works, to why you should get it, and what to expect when you go through the shots. My goal with this is to make it accessible as possible so you can make an informed decision and feel comfortable getting the shot. Sometimes the science is hard to understand, but I think we can simplify it enough to make sense to just about everyone. That said let’s give it… a shot.

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COVID Vaccine: The second shot update!

Well today is a full day since I had the second dose of my COVID vaccine. I promised honesty and transparency so here it is, the second dose isn’t as smooth as the first. So we’re going to go over why that is, what my issues have been, and why it’s still very much worth it.

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COVID Vaccine: The second shot

We’re talking spike proteins, the thing that gives COVID-19 its distinct look (red spikes).

Today is the day! It’s been roughly two weeks (if I’m counting that right) since I got my first COVID-19 vaccine shot and today I’m getting my booster, or second shot, whatever we’re calling it. For that reason, today we’re going to recap the last two weeks and discuss what may happen with the second shot. It’s not as exciting as it sounds, but there’s a lot of misinformation out there so it’s important to document all this.

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I’m going into surgery… sort of!

Okay well this came out of left field, or rather happened faster than I thought it would. My Co-PI and I had discussed just last week seeing some of how the more clinical stuff gets done in terms of electrophysiology and invasive monitoring. He suggested I shadow some of the doctors while they are performing surgery to see how they do the things they do and now I’m about to get the chance to do just that. Yeah, that’s a lot of doing.

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