question about fields in "browse cards" display

[Mark]

In "browse cards"....


Under the "Next Rep" column, I can see values such as "16 days overdue".  What does this mean?

What does "Easiness" value mean?

And what does "Lapses" mean?


For example, I am looking at a card in "browse cards" and it shows the following:
   Grade: 0   (zero)
   Next Rep:  16 days overdue
   Last Rep:  16 days ago
   Easiness: 2.50
   Learning reps:  2
   Review reps: 0
   Lapses:  0


In this example, this card got a grade of zero when last shown, and it was last shown 16 days ago.  So I am not sure why it would not be shown again ....say today or any of the days in the last 16 days?

Thanks

[Mark]

Oh ...  maybe this is related to the configuration setting:

review memorized cards?  there are two options:  random order     or   priority order

is the "priority" defined as what I described below?  I have mine set to random order.... 

[Peter Bienstman]

> -----Original Message-----
> Under the "Next Rep" column, I can see values such as "16 days overdue".
> What does this mean?

That you're 16 days late reviewing that card.

> What does "Easiness" value mean?

The higher the value of easiness, the easier you find the card.

> And what does "Lapses" mean?

A lapse is when you forget a previously memorised card.

> For example, I am looking at a card in "browse cards" and it shows the
> following:
> Grade: 0 (zero)
> Next Rep: 16 days overdue
> Last Rep: 16 days ago
> Easiness: 2.50
> Learning reps: 2
> Review reps: 0
> Lapses: 0
>
>
> In this example, this card got a grade of zero when last shown, and it was
last
> shown 16 days ago. So I am not sure why it would not be shown again
....say
> today or any of the days in the last 16 days?

You're talking about an unmemorised card here. Unmemorised cards will only
be shown once you've gone through the schedule of each day. So, make sure
you finish your scheduled cards, that card is active, and you don't have too
many other grade 0 cards you are learning at the same time.

With respect to your other question, Mnemosyne can go through your scheduled
cards (which all had previous grade 2 or higher) either in random order, or
most urgent first. However, the card you're talking about is not yet
memorised, so that has no effect here.

Cheers,

Peter

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[Mark]

On Thursday, December 12, 2013 8:33:00 PM UTC+7, Peter Bienstman wrote:

> -----Original Message-----
> Under the "Next Rep" column, I can see values such as "16 days overdue".
> What does this mean?

That you're 16 days late reviewing that card.

** I guess I don't understand how I can be 16 days late to do an active card that the software hasn't shown to me?
I would think that this condition wouldn't really exist at all since if an active card would approaching being late, that condition would trigger the software  to show it to me?



 

 
> What does "Easiness" value mean?

The higher the value of easiness, the easier you find the card.

** Yes, but how is this "easiness" determined?  Is this a function only of the 0-5 scoring the last time it was viewed?  Or the time taken to respond to the card?




 

> And what does "Lapses" mean?

A lapse is when you forget a previously memorised card.

** So this is a count of the number of times a lapse has happened?  Does the lapses value affect the easiness value?  And/or does the lapses value affect the scheduling of the card?



 

> For example, I am looking at a card in "browse cards" and it shows the
> following:
>    Grade: 0   (zero)
>    Next Rep:  16 days overdue
>    Last Rep:  16 days ago
>    Easiness: 2.50
>    Learning reps:  2
>    Review reps: 0
>    Lapses:  0
>
>
> In this example, this card got a grade of zero when last shown, and it was
last
> shown 16 days ago.  So I am not sure why it would not be shown again
....say
> today or any of the days in the last 16 days?

You're talking about an unmemorised card here. Unmemorised cards will only
be shown once you've gone through the schedule of each day.  So, make sure
you finish your scheduled cards, that card is active, and you don't have too
many other grade 0 cards you are learning at the same time.

*** As a user, I can see the count of scheduled cards in the window sill lower right and watch that go down to zero.   But how do I know the appropriate number of how many more cards to do beyond that ?   This must be related to the "Hold XXX non-memorized cards in your hand" value -- but how do I know when I have saturated that number?




 

With respect to your other question, Mnemosyne can go through your scheduled
cards (which all had previous grade 2 or higher) either in random order, or
most urgent first. However, the card you're talking about is not yet
memorised, so that has no effect here.

*** I've always chosen random order simply because I didn't know how the software would determine "urgent".  What is the criteria for "urgent"?

Thanks







 

Cheers,

Peter

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[Peter Bienstman]

> -----Original Message-----
> ** I guess I don't understand how I can be 16 days late to do an active
card
> that the software hasn't shown to me?
> I would think that this condition wouldn't really exist at all since if an
active
> card would approaching being late, that condition would trigger the
software
> to show it to me?

I agree that the wording is a bit unfortunate, and not really appropriate
for unlearned cards. I'll see if I can address this in a future release
without sacrificing performance in the browser too much.

> ** Yes, but how is this "easiness" determined? Is this a function only of
the
> 0-5 scoring the last time it was viewed?

Yes. For more details, see here: http://www.supermemo.com/english/ol/sm2.htm

> ** So this is a count of the number of times a lapse has happened? Does
the
> lapses value affect the easiness value? And/or does the lapses value
affect
> the scheduling of the card?

It is for information only, and does not affect the scheduling.

> *** As a user, I can see the count of scheduled cards in the window sill
lower
> right and watch that go down to zero. But how do I know the appropriate
> number of how many more cards to do beyond that ?

There is no appropriate number, you yourself are the judge as to how long
you want to continue study new cards, depending on your energy level, etc..

> This must be related
> to the "Hold XXX non-memorized cards in your hand" value -- but how do I
> know when I have saturated that number?

It's a rolling over limit. Say e.g. you have set that number to 3 and start
learning cards A, B and C. As soon as you memorise e.g. card C, Mnemosyne
will a new card D to the queue.

> *** I've always chosen random order simply because I didn't know how the
> software would determine "urgent". What is the criteria for "urgent"?

Urgent means in most risk of forgetting, i.e. those with the shortest
interval.

Cheers,

Peter

[Mark]

On Saturday, December 14, 2013 1:18:44 AM UTC+7, Peter Bienstman wrote:

> -----Original Message-----
> ** I guess I don't understand how I can be 16 days late to do an active
card
> that the software hasn't shown to me?
> I would think that this condition wouldn't really exist at all since if an
active
> card would approaching being late, that condition would trigger the
software
> to show it to me?

I agree that the wording is a bit unfortunate, and not really appropriate
for unlearned cards. I'll see if I can address this in a future release
without sacrificing performance in the browser too much.

I just didn't understand what it was trying to tell me.  I'm ok with the wording, as long as I understand that I am using the software correctly -- Ino ther words, I don't want to miss learning cards.




 

> ** Yes, but how is this "easiness" determined?  Is this a function only of
the
> 0-5 scoring the last time it was viewed?  

Yes. For more details, see here: http://www.supermemo.com/english/ol/sm2.htm

Thanks for that !


 

> ** So this is a count of the number of times a lapse has happened?  Does
the
> lapses value affect the easiness value?  And/or does the lapses value
affect
> the scheduling of the card?

It is for information only, and does not affect the scheduling.

> *** As a user, I can see the count of scheduled cards in the window sill
lower
> right and watch that go down to zero.   But how do I know the appropriate
> number of how many more cards to do beyond that ?  

There is no appropriate number, you yourself are the judge as to how long
you want to continue study new cards, depending on your energy level, etc..

OK, I wasn't sure because the software also pops up that message about "you've learned 15 cards"... and also there are warnings about "learning ahead of schedule".








 

> This must be related
> to the "Hold XXX non-memorized cards in your hand" value -- but how do I
> know when I have saturated that number?

It's a rolling over limit. Say e.g. you have set that number to 3 and start
learning cards A, B and C. As soon as you memorise e.g. card C, Mnemosyne
will a new card D to the queue.

> *** I've always chosen random order simply because I didn't know how the
> software would determine "urgent".  What is the criteria for "urgent"?

Urgent means in most risk of forgetting, i.e. those with the shortest
interval.

I'm sorry but I still don't understand how the software determines "urgent".  The shortest interval --- is this about how long the user takes to answer a card.  I know the time to view the card is tracked.   Is this the meaning of "interval"?   Sorry for being so dense.







 

Cheers,

Peter

[Peter Bienstman]

> -----Original Message-----
> I'm sorry but I still don't understand how the software determines
"urgent".
> The shortest interval --- is this about how long the user takes to answer
a
> card. I know the time to view the card is tracked. Is this the meaning
of
> "interval"? Sorry for being so dense.

Sorry, by interval I meant the scheduled interval, i.e. the difference
between the scheduled date of the next repetition and the most recent actual
repetition.

Cheers,

Peter

[Mark]

Oh ok!  That definition makes it clear. 

Since "urgent" means the most likely to be forgotten..., so that means the longest time between the next repetition and the most recent actual repetition, right?
Cards that haven't been seen for the longest time are more likely to be forgotten, so this setting would make them appear sooner than a card that was recently seen, I think.

 





 

Cheers,

Peter

[Peter Bienstman]

The reasoning is that if you have an old card which you've seen many times,
it probably does not matter too much for the scheduling if the actual
interval is 200 days or 201 days. However, for younger cards 3 days vs 4
cards could have a much higher impact.

Cheers,

Peter

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[Mark]

 Ok, this setting will make a card with a shorter interval since last seen appear sooner -- because for a card the hasnt been seen often the shorter interval is like a bigger percentage of the total times seen compared to a card that has been seen many times.